Unique 15-Acre Estate with Ultra-Luxury Villa for Sale in Kalyvia Thorikou A truly exceptional 15-acre (15,000 sq.m.) out-of-plan estate, located in the prestigious area of Kalyvia Thorikou, offering a rare combination of privacy, scale, and outstanding accessibility. Within the estate stands an ultra-luxury villa of 800 sq.m., distinguished by its refined architecture, generous volumes, and uncompromising quality. The residence is surrounded by 100 mature olive trees, creating an authentic Mediterranean landscape and an atmosphere of absolute serenity. The property enjoys a strategic and highly desirable location, just 10 minutes from Athens International Airport and only 500 meters from the Suburban Railway (Proastiakos), ensuring seamless connectivity while maintaining complete exclusivity. This estate represents a rare opportunity of exceptional value, ideal for a prestigious private residence, a luxury hospitality concept, or a high-end investment project. A property of unique character and stature, designed for discerning buyers seeking space, elegance, and effortless access to the city.