In eastern Athens is a district called Kaisariani and there at a shooting range the germans executed about 600 greeks between 1942 and 1944. The largest execution took place on May 1, 1944, when about 200 were executed. This was in retaliation for the murder of a German general and three officers a few days earlier. Those executed were mostly communists or people suspected of having links to the Greek resistance movement.
Current status: Preserved with museum (2019).
Location: 37°57'56.16"N 23°45'37.75"E
Get there: Bus.
Follow up in books: Mazower, Mark: Inside Hitler’s Greece: The Experience of Occupation, 1941–44 (1995).
Kaisariani has become a national symbol of Greek resistance and suffering during Second World War. There is a museum on the site but all information is unfortunately in Greek. Outside the museum and a little secluded next to a park is the monument itself and the place of execution. Its seclusion in the otherwise messy and crowdy Athens makes it a peaceful site.