Public transport in Athens
Public transport in Athens comprises a bus network, various rail systems, funiculars, and maritime services to serve the more than 4 million inhabitants of the city spread over an area of 2,928 km2 (1,131 sq mi). == Rail transport == === Metro === The Athens Metro is operated by Stasy S.A (Statheres Sygkoinonies S.A) which is a subsidiary company of OASA (Athens urban transport organisation) and provides public transport throughout the Athens Urban Area.
Source: Wikipedia — Public transport in Athens (CC BY-SA 4.0)