luxury houses with pool for sale Kalyvia Thorikou, Greece

A wonderful residence nestled in lush greenery, in the peaceful area of Kouvaras, Attica. The house covers 356 sq.m., situated on a verdant plot of 5,450 sq.m., and is spread over 3 levels. The ground floor consists of a living room with a fireplace, a dining area, an open-plan kitchen, and a sitting area with direct access to a large terrace, which can be converted into an additional bedroom if desired. This level is completed by 1 bathroom and a storage room. The upper floor hosts a master bedroom with an en suite bathroom and walk-in closet, 2 additional bedrooms, and 1 bathroom. A spacious terrace/balcony completes the floor. The lower level features an independent studio with direct garden access, offering an open-plan bedroom-kitchenette space and 1 bathroom. On the same level, there are 2 covered parking spaces and an additional storage room. The outdoor area, with its mature garden, is designed for relaxation, offering multiple seating areas, a large swimming pool, a wood-fired oven, BBQ facilities, and a dining area. An exceptional residence providing privacy, comfort, and a unique connection with nature — ideal as a permanent home or a high-standard holiday retreat in Kouvaras, Attica.

Set on a hillside in Lagonissi, this substantial residence looks across the Athenian Riviera toward the open sea, with uninterrupted views extending from the surrounding hillsides to the coastline below. Positioned within landscaped grounds, the property combines privacy, generous internal proportions and a strong connection to its outdoor spaces, while remaining within easy reach of the beaches, marinas and southern coastline of Athens. A long driveway passes through mature gardens before arriving at the house, where broad terraces and stone-paved exterior spaces unfold gradually toward the sea. The architecture follows a restrained Mediterranean approach, with pale façades, large openings and shaded outdoor living areas designed to maximise natural light and airflow during the summer months. From the pool terrace, the coastline stretches across the horizon, particularly in the late afternoon when the western light settles softly across the water. The interiors extend across three levels and are organised around expansive reception areas opening directly onto the gardens and terraces through floor-to-ceiling glazing. Marble floors, soft neutral finishes and wide sliding doors create continuity between the interior and exterior spaces, while the principal living room is arranged around a fireplace and a series of sea-facing sitting areas. The scale of the rooms allows light to move gradually throughout the house during the day, reinforcing the openness of the layout. The kitchen and dining areas sit alongside the main reception spaces and connect directly to an outdoor dining terrace, allowing the house to function naturally between inside and outside living. Large openings frame both the surrounding greenery and the distant sea views, while multiple terraces create areas of sun and shade throughout the day. The elevated hillside setting allows a constant movement of air across the property during the warmer months. The residence accommodates five bedrooms and six bathrooms, with several bedrooms opening directly onto terraces or balconies overlooking the coastline. Timber flooring softens the private areas, while large windows maintain the visual connection to the landscape beyond. The principal suite includes a generous dressing area, a sea-facing bathroom and direct access to outdoor space. The grounds are designed for extended summer living, with broad lawns, mature trees, shaded seating areas and a large swimming pool positioned toward the sea view. Multiple terraces create distinct outdoor zones while preserving a strong sense of openness across the property. The landscaping remains balanced and understated, allowing the elevated position and surrounding coastline to remain the defining elements of the setting. Located in Lagonissi on the Athens Riviera, the house combines a secluded residential atmosphere with direct access to nearby beaches, marinas and the wider southern suburbs of Athens. The property extends across 488 sqm (5,253 sq.ft.) on a 4,550 sqm (48,976 sq.ft.) plot and includes five bedrooms, six bathrooms, landscaped gardens, a swimming pool, outdoor dining areas and private parking.

Looking for your dream home or an exclusive investment with potential for private living and events? This outstanding 450 sq.m. villa, set on a generous 8,000 sq.m. lush estate in the serene hills of Markopoulo, offers an unmatched blend of privacy, nature, and elegance — only 10 minutes from Athens International Airport, 20 minutes from the city center, and 7 km from the beaches of Porto Rafti.This two-level residence consists of:220 sq.m. main level with open-plan living and dining areas, a stylish modern kitchen, spacious bedrooms, and wide verandas with open panoramic views.220 sq.m. lower level fully usable, ideal for guest suites, storage, gym, or staff quarters.Key Features:Immaculately maintained garden with Mediterranean treesLarge private pool with sunbathing area and BBQ zoneAmple outdoor space designed for private events or gatheringsExtensive private parking for multiple carsModern architectural design, blending functionality with natural beautyUnobstructed panoramic views and breathtaking sunsets all year roundLocated in one of the most peaceful and green zones of East Attica, the property is ideal for families, expats, or high-level professionals seeking discretion, comfort, and proximity to Athens.This is more than a property — it is a lifestyle choice for those who value space, silence, and connection with nature while staying close to the heart of the capital.

A beautifully designed house just moments away from Porto Rafti and a short distance from Markopoulo. The home has a minimal industrial design throughout with every detail meticulously thought through and implemented. The villa itself is 220 sqm built on 8 acres of land and secured with a walled perimeter and the latest security technology with the inclusion of a panic room. The indoor space has been cleverly designed with hidden linear lighting, underfloor heating and comfort cooling throughout making this a suitable home for all seasons of the year. There are large double-glazed windows and sliding glass doors throughout (each equipped with shutters and insect screens) giving the home an abundance of natural light at every stage of the day.  The pool area hosts a pool bar and professional outdoor barbecue. It also provides a separate WC with showers.

Nivelle occupies an elevated 4,153 sqm (44,703 sq.ft.) plot in Lagonisi, overlooking the Saronic Gulf and the rolling hills of the Athenian Riviera. Completed in 2023, the residence has been designed around openness, natural light and a continuous relationship with its surroundings. Contemporary in its architecture yet restrained in its expression, the house combines generous proportions with a calm and balanced atmosphere, where broad glazing and carefully considered volumes allow the landscape to remain a constant presence throughout the interiors. Arrival is discreet, with the residence gradually revealing itself as the approach unfolds through landscaped grounds. A double-height entrance establishes the scale of the house immediately, while large glazed openings frame views towards the sea from the moment of entry. Throughout the principal living spaces, the architecture prioritises transparency and flow, allowing daylight to move deep into the interior and creating a seamless connection between the house and its terraces. At the heart of the residence, the main living and dining areas extend across a series of interconnected spaces that open directly towards the gulf. Clean lines, natural materials and carefully proportioned volumes create an atmosphere that feels both contemporary and welcoming. The layout has been conceived to support everyday living as naturally as larger-scale use, with the interior spaces maintaining a strong visual connection to the landscape from almost every vantage point. A distinctive architectural bridge links the primary suite with a separate library and office wing, creating one of the defining spatial elements of the house while reinforcing the sense of openness between levels. Arranged across three levels, the residence includes seven bedrooms and eight bathrooms. The private accommodation adopts a quieter architectural language, with generous proportions, integrated detailing and large openings that frame sea views, landscaped gardens and the surrounding hillside. Several suites extend directly onto terraces, ensuring that the connection between the interiors and the outdoors continues throughout the private areas of the home. Outdoor living forms an integral part of the overall design. Broad terraces unfold around the residence, creating a sequence of spaces that follow the orientation of the site and the movement of the sun throughout the day. The swimming pool stretches across the front of the house, visually extending towards the sea beyond, while landscaped gardens soften the architecture and provide privacy without interrupting the views. The arrangement of the exterior spaces allows the residence to remain closely connected to its setting, balancing openness with a sense of seclusion. Technology and infrastructure have been incorporated discreetly throughout. Smart home systems manage lighting, climate and security, while underfloor heating, ducted air conditioning and integrated energy systems support comfortable year-round living. An elevator connects all levels, and covered parking is incorporated into the overall design without disrupting the architectural composition. Positioned above one of the most established stretches of the Athenian Riviera, Nivelle combines contemporary architecture with a strong connection to its surroundings. As evening light settles across the Saronic Gulf, the views gradually shift from open sea to the illuminated coastline beyond, reinforcing the relationship between the residence and its elevated setting. Eligible for both the Greek Golden Visa Programme and the Greek Non-Dom Programme.

ID.1859868 - In the area of Koropi, a raised ground-floor detached house of 300 sq.m. is available for sale, set within a 9,800 sq.m. plot, offering privacy and comfort. Built in 1995, the property is in very good condition.The residence consists of three bedrooms, three bathrooms, a kitchen, two spacious living rooms with fireplaces, as well as a maid’s room. It also includes four outdoor parking spaces, a storage room, and an internal staircase.It features autonomous oil heating with independent floor control, air conditioning, solar water heater, boiler, aluminum frames with double glazing, insect screens, and an energy certificate of category D. Flooring is wood and tile throughout.Outdoors, a private swimming pool, landscaped garden with trees, and a BBQ area create a serene atmosphere. In addition, the plot includes several tree-planted acres that remain unexploited, offering future development potential.The property is equipped with a security door, video intercom, alarm system, security cameras, and three-phase electricity.An ideal choice for both permanent living and a holiday residence, combining the tranquility of nature with all the comforts of a modern home. Price: €1.000.000. The information and characteristics of the properties have been recorded based on the information and documents that have been provided to us. The location of the property on the map is indicative. The energy class of the properties for which a EPC is required may differ from that stated. All attendees during the indication of the property must present their identity card and their tax identification number (T.I.N.), in accordance with Law No. 4072/2012 - Government Gazette 86/A/11-4-2012. Aspis Real Estate South, contact phone: 2109652230, email: [email protected], website: www.aspisrealestate-south.gr

Koropi, Agios Dimitrios, Detached house For Sale, 2.140 sq.m., In Plot 10000 sq.m., Property Status: Semi-finished, Floor: Ground floor, 2 Level(s), 12 Bedrooms (10 Master), 2 Kitchen(s), 10 Bathroom(s), 2 WC, View: Unlimited, Building Year: 2004, Energy Certificate: D, 8 parking(s), Features: Storage room, Fireplace (2), Playroom, Internal Staircase, Balconies, Airy, Swimming pool, Back yard (Garden), Price: 8.000.000€ - The location of the property on the map is indicative. - UNION PROPERTIES 2108970044 - 6949613181, https://www.union-properties.gr/, email: [email protected]

This exceptional detached house of 270 sq.m. is located in Porto Rafti, just 50 meters from the sea and 15 minutes from Athens airport. Built on a 400 sq.m. plot, it is an ideal choice for those who wish to experience seaside life, either as a holiday home or as an investment property. With modern architecture and unparalleled quality of construction, this luxurious residence is ready to satisfy even the most demanding.InteriorsThe detached house is developed on three levels, which are connected by an elevator for easy access to each floor. On the 1st floor, an impressive dining and living room area welcomes guests, decorated with a fireplace and open sea views. The large windows on all sides of the house allow natural light to flood the spaces, offering unique views of the bay of Porto Rafti. The fully equipped kitchen, with Corian countertops and branded Miele appliances, offers comfort for everyday use, while on the same floor there are also a guest WC and a dressing room for additional storage space.On the 2nd floor, there is the master bedroom, which offers a private relaxation area with its own bathroom and a second fireplace. From here, the balcony offers stunning, panoramic views of the sea and the entire bay of Porto Rafti, creating the perfect setting for moments of relaxation.On the ground floor, there are 4 more bedrooms, each with its own unique atmosphere and views of the pool and garden. One bedroom has a private bathroom, while the rest share a shared bathroom. The ground floor also includes a laundry room for additional convenience.Outdoor AreasThe outdoor area of ​​this detached house is equally impressive, with a carefully landscaped garden and a magnificent swimming pool, which is perfectly integrated into the natural landscape and offers uninterrupted views of the sea. The garden also features a fully equipped barbecue, ideal for unforgettable moments with family and friends. The exterior construction is excellent, with stone cladding that enhances the natural beauty of the space.Features and AmenitiesThis luxurious residence offers a multitude of amenities and technological solutions to ensure a comfortable and safe lifestyle. The property features:Energy Class A+Underfloor heating with heat pumpCentral air conditioning systemAluminum frames with screensAlarm and CCTV systemMarble and tiled floors throughoutSolar water heaterPrivate terrace for extra freedom and viewsWith its high aesthetics and attention to detail, this residence offers the perfect balance between luxury, comfort and functionality. It is a unique opportunity for those seeking an exceptional lifestyle, just a few minutes from the beach, shops, restaurants and seaside promenades of Porto Rafti.Contact us for more information and to book your appointment for a guided tour of this unique residence.Important NoticeThe property's energy performance certificate is under publication and will be available prior to the completion of the transaction, in accordance with applicable legal requirements.This ad is non-contractual and disclaimer.The information contained in this advertisement is provided for information purposes and has no legal value. All measurements, features and other details are subject to verification and subject to change without notice. The responsibility for the information concerning the property (area, condition, compliance of facilities) rests exclusively with the owner. Our office bears no responsibility for possible inaccuracies.In case of an urgent request for a visit, please register via the ad and send your full contact details to our local expert. Contact us then via SMS, WhatsApp or Viber, stating your name, property code and e-mail, to facilitate tracking and avoid wasting time due to phone calls, which often have poor quality in Greece .The expert's contact details (phone and e-mail) are available at the bottom of each ad on our website. Feel free to view our other properties on ibphome. net or ibp. be.Real estate agency fees in GreeceBuying and selling: The brokerage fee for buying or selling a property is 2%, plus VAT (24%).Rent: The real estate agency fee corresponds to the amount of the rent, plus VAT (24%).Documents required for visitsFor each property visit, it is mandatory to present an identity card or passport, as well as the A.F.M. number. of the interested buyer, according to law 4072/11.4.2012.

Maisonette For sale, floor: Basement, Ground floor, 1st (3 Levels), in Vari - Varkiza - Vari. The Maisonette is 375 sq.m.. It consists of: 4 bedrooms (1 Master), 2 bathrooms, 1 wc, 2 kitchens, 2 living rooms and it also has 3 parkings (3 Closed). The property was built in 2010. Its heating is Autonomous with Liquid gas, Heating per level, Air conditioning, Solar water system, Boiler are also available with Double glazed windows, the energy certificate is: Under publication and its floors are Marble. The property's status is: Excellent condition, it has Openness view. The Maisonette is Bright, Luxury and it also has the following unique features and advantages: Window Screens, Tents, Elevator, Jacuzzi, Electric Appliances, Storage, Attic, Internal staircase, Swimming pool, Garden, Security door, CCTV, Security alarm, Security cameras, Internal elevator, Playroom, Pets allowed, Quiet neighborhood, Service/Maid’s room. Price: €1.200.000. REMAX PROPERTIES INVESTMENT GLYFADA, contact phone: 2108942444, website: www.remaxpi.gr

Located in the prestigious Panorama area of Saronida on the Athens Riviera, this exceptional 330 sq.m. villa extends over three levels on a 610 sq.m. private plot, just 2 minutes from the sea. Its defining feature is the unobstructed panoramic sea and sunset views, capturing the essence of Riviera coastal living.Designed with a refined minimal aesthetic, the residence offers bright, airy interiors and seamless indoor–outdoor flow. It comprises 4 bedrooms (including 1 master), 3 bathrooms, 1 WC, 2 kitchens, and 2 living rooms, ideal for both elegant family living and entertaining.Built in 2012 and maintained in excellent condition, the villa combines comfort and efficiency with modern systems including heat pump heating, underfloor heating, air conditioning, solar water heating, ventilation, and energy-efficient double glazing. An internal elevator connects all levels for added convenience.Outdoor living is centered around the panoramic setting, with a private swimming pool, landscaped garden, BBQ area, and multiple relaxation spaces overlooking the sea horizon. The property also includes security systems, storage areas, office space, playroom, and private parking.A rare opportunity to own a refined residence on the Athens Riviera, blending luxury, privacy, and breathtaking views in one of the area’s most desirable coastal locations.

ID.1554890 - Detached house For sale, floor: Basement, Ground floor, 1st, 2nd (4 Levels), in Vari - Varkiza. The Detached house is 880 sq.m. and it is located on a plot of 1.980 sq.m.. It consists of: 5 bedrooms (5 Master), 1 wc, 3 kitchens, 3 living rooms, 2 fireplaces and it also has 7 parkings (7 Closed). The property was built in 2002. Its heating is Autonomous with Heat pump, Heating per level, Air conditioning, Solar water system, Boiler, Ventilation system, Sound insulation, Thermal insulation, Radiator are also available, it has Alluminum, Wooden frames with Double glazed windows, the energy certificate is: A+ and its floors are Marble. The property's status is: Excellent condition, it is close to Park, Sea, Seaside, School, Church, Super Market, City Center, Cafe/Restaurants, Local market, 300 Meters from city, 800 Meters from seaside, it has Mountain, Nature, Openness, Unobstructed view and it has Meridian orientation. The Detached house is On Corner, With Facade, Bright, Airy, Detached, Mansion, it is suitable for Holiday home, Investment, Revenue source and it also has the following unique features and advantages: Window Screens, Elevator, Electric Appliances, Storage, Attic, Internal staircase, Swimming pool, Garden, Security door, CCTV, Security alarm, Security cameras, Internal elevator, Internet, Playroom, No shared expences, BBQ, Sattelite Receiver, Night stream, Three phase current, Grass, Trees, Pets allowed, Quiet neighborhood, Water Bore, Fiber line, Electric shutters, Internal yard, Service/Maid’s room, Septic tank. Price: €1.950.000. Aspis Real Estate South, contact phone: 2109652230, email: [email protected], website: www.aspisrealestate-south.gr

ID.2505246 - Villa For sale, floor: Basement, Ground floor, 1st (3 Levels), in Saronida. The Villa is 451 sq.m.. It consists of: 5 bedrooms (1 Master), 4 bathrooms, 1 wc, 1 kitchens, 2 living rooms and it also has 2 parkings (2 Underground). The property was built in 2026 with Double glazed windows, the energy certificate is: A. The property's status is: Under construction, it has Sea, Openness, Panoramic, Unobstructed view, Luxury, Modern, Minimal design, Storage, Internal staircase, Swimming pool, Garden, Internal elevator, Quiet neighborhood, Porch, Service/Maid’s room. The information and characteristics of the properties have been entered based on the information and documents provided to us. The location of the property on the map is indicative. The energy class of the properties, for which the issuance of an EPC is required, may differ from the one stated. All persons present during the property viewing are required to present their identity card and tax identification number (A.F.M.), in accordance with Law No. 4072/2012 - Government Gazette 86/A/11-4-2012. Price: €2.000.000. Aspis Real Estate South, contact phone: 2109652230, email: [email protected], website: www.aspisrealestate-south.gr

In an excellent location, near the beach of Saronida, a detached house of a total area of ​​265 sq.m. is available for sale, with an additional independent apartment of 72 sq.m. on the ground floor.The house is developed on two levels and has four spacious bedrooms, two bathrooms, WC, large kitchen, bright living room with fireplace, as well as an attic. The outdoor area includes a private swimming pool, garden, spacious verandas with unobstructed views and BBQ, offering ideal conditions.The house has autonomous oil heating, solar water heater, air conditioning, storage room and internal staircase, while the surrounding area extends to a plot of 843 sq.m. It also includes a spacious parking space.The villa's location combines tranquility with direct access to the sea and the amenities of the area, making it the ideal choice for both a main residence and holiday use.Important NoticeThe property's energy performance certificate is under publication and will be available prior to the completion of the transaction, in accordance with applicable legal requirements.This ad is non-contractual and disclaimer.The information contained in this advertisement is provided for information purposes and has no legal value. All measurements, features and other details are subject to verification and subject to change without notice. The responsibility for the information concerning the property (area, condition, compliance of facilities) rests exclusively with the owner. Our office bears no responsibility for possible inaccuracies.In case of an urgent request for a visit, please register via the ad and send your full contact details to our local expert. Contact us then via SMS, WhatsApp or Viber, stating your name, property code and e-mail, to facilitate tracking and avoid wasting time due to phone calls, which often have poor quality in Greece .The expert's contact details (phone and e-mail) are available at the bottom of each ad on our website. Feel free to view our other properties on ibphome. net or ibp. be.Real estate agency fees in GreeceBuying and selling: The brokerage fee for buying or selling a property is 2%, plus VAT (24%).Rent: The real estate agency fee corresponds to the amount of the rent, plus VAT (24%).Documents required for visitsFor each property visit, it is mandatory to present an identity card or passport, as well as the A.F.M. number. of the interested buyer, according to law 4072/11.4.2012.

**Luxurious Villa with Unobstructed Sea View - Elies Daskaleio****Description:**We are delighted to present an exceptional opportunity to acquire a luxurious detached house in Elies Daskaleio, ideal for a vacation home or investment.**Features:**- Area: 173 sq.m.- Bedrooms: 4- Bathrooms: 5- Floor: Ground floor- Condition: Newly built (Year of Construction: 2024)- Energy Class: Pending- Air Conditioning- Fully Furnished- Security Door- Garden- Private Pool 100 sq.m. (with heated section 22 sq.m., jacuzzi for 4 people)- External Kitchen and BBQ- Breathtaking Unobstructed Sea View**Additional Features:**The house consists of two independent units: the main one covering 115 sq.m. and the secondary one 58 sq.m., both offering a mesmerizing view of the open sea horizon. Both units are luxuriously constructed with modern materials and technology.**Outdoor Area:**The outdoor area is under development and will include a 100 sq.m. pool with a heated section, jacuzzi, external kitchen, BBQ, stone sitting area, bar, smart lighting, and private parking spaces.**Location:**Situated just 250 meters from the beach, it provides a stunning and panoramic landscape. It is 14 kilometers away from the airport and 16 kilometers from the metro.**Availability:**Vacant. For sale at the current stage of construction.Feel free to reach out for more details and to arrange a visit to this exquisite property.

Impressive unfinished detached house of 470 sq.m. for sale. in Vari - Varkiza, on a plot of 300 sq.m. The residence offers luxury and comfort, featuring a pool with waterfall, overflow and hot tub, indoor elevator, Smart Home specification, outdoor barbecue and beautiful garden. The property is in a quiet area, close to the sea, surrounded by beautiful villas, offering privacy and direct access to many amenities.The layout of the property includes:- Ground floor (102 sq.m.) with living room, fireplace, separate kitchen and 1 WC.- 1st Floor (102 sq.m.) with 3 bedrooms (a large master bedroom), 2 bathrooms and large terraces.- Semi-basement (204 sq.m.) with internal and external entrance, window to the pool, cour-anglaise for additional lighting, living room, fireplace, kitchen, 2 master bedrooms, 3 bathrooms, playroom, sauna and storage.- Attic (62 sq.m.) with natural lighting and ventilation, space for office, living room or extra bedroom and 1 bathroom.The property offers the possibility of creating spacious Airbnb spaces, with the ground floor and 1st floor able to be configured into 2 Airbnb spaces each, the semi-basement into 3 spaces and the attic into 1 space.The property is located just 290 meters from Yabanaki Beach and the center of Varkiza, while nearby (350 meters) there is a health center, schools and sports facilities such as tennis and basketball courts.The construction of the property is in the plastering stage, enabling the buyer to shape the interior based on their personal needs. The building permit has been issued by a well-known architect.

Vari (Korbi), Detached house with total area of 404.4 sq.m. on 4 levels with private pool and garden.The ground floor totals 85.8 sq.m and holds the living quarters, featuring an open-plan kitchen, living and dining area, and a guest WC. The living area opens onto the outdoor patio, swimming pool, and garden. An internal elevator and staircase lead down to the basement and up to the sleeping quarters. There is also a raised ceiling above the dining area that opens to the first floor.The 1st floor (79.9 sq.m) has two Master bedrooms with en-suite bathrooms, each with a walk-in closet and a private balcony.The 2nd floor (85.8 sq.m), accessible via the internal staircase or elevator, features two additional Master bedrooms with en-suite bathrooms (one with a walk-in closet), each with a private balcony. There is also a dedicated storage room on this level.The basement includes a 60.6 sq.m playroom and an 89.4 sq.m garage area containing a storage room and two underground parking spaces. This garage area is shared with only one other home in the four-unit compound.This property is only 3 km from Varkiza beach, 1.5 km from Vari center, and very close to some of the best private schools on the Athenian Riviera.

ID.1898881 -A rare opportunity to own a newly built, ultra-luxurious villa right on the water, in one of the most prestigious areas of the Athenian Riviera.This stunning 2024 residence perfectly blends modern architecture, premium quality, and absolute privacy, offering a lifestyle defined by elegance and comfort.The villa features: Three spacious master bedrooms, each with an elegant en-suite bathroom An impressive infinity pool and beautifully landscaped garden Bright, open-plan interiors with panoramic views of the Saronic Gulf Smart home technology throughout A private underground garage, elevator, and complete seclusionOnly 25 minutes from Athens center and 20 minutes from the airport.A true gem in the heart of the Athenian Riviera — where luxury meets the sea.Price: €1.500.000. Aspis Real Estate Αμπελοκήπων - Ψυχικού, contact phone: 2106910100, 2106910700, email: [email protected], website: www.aspisrealestate-ampelokipoi.gr