The Church of Agii Theodori, also known as Hagioi Theodoroi, as seen from the street. Constructed in the 11th century, it features a traditional cross-in-square design, and elements remain of an older church beneath it.
"Hagioi Theodoroi (Athens)," The Byzantine Legacy, https://www.thebyzantinelegacy.com/theodoroi
Photograph created August 6th, 1958. Processing date unknown. Formerly catalogued as B22.029. Notes written on the slide or index: Athens - Byzantine Church.