Real Estate in Greece Welcome to Greece! Olympia Properties is a real estate agency offering top-notch, tailor-made services for property investment in Greece. If you are looking for Greek real estate investment opportunities, Olympia Properties undertakes the entire process of locating, evaluating, buying and, eventually, managing your desired property. In addition to being a full-service real estate agency based in Athens, Greece, Olympia Properties also offers a vast array of property-related services, such as valuation and feasibility reports, property and rental management, due diligence processes and legal services.