Hellenikon Air Base Hellenikon Air Base Hellenikon Air Base is a decommissioned United States Air Force base located in Athens, Greece. After its closure, it was redeveloped into Ellinikon International Airport. The airport was built in 1938, and after the German invasion of Greece in 1941, Kalamaki Airfield was used as a Luftwaffe air base during the occupation. Following the end of World War II, the Greek government allowed the United States to use the airport from 1945 until 1993. Known as Hassani Airport in 1945, it was used by the United States Army Air Forces as early as 1 October 1945, as
Hellenikon Metropolitan Park and collect rainwater of the site and from the water catchment basin of the surrounding hills. These strips integrate a playful work on artificial topography that both guides the water and create terraces and slopes for the park activities and programs. There will also be some MTB downhill tracks, like the ones on Imittos mountain. The park will be 400 hectares, while another 100 hectares will be used for housing and office facilities. When finished, it will surpass London's Hyde Park (250 hectares)as well as New York's Central Park (350 hectares). Hellenikon Metropolitan Park Hellenikon Metropolitan Park as it has