Forum of the Ox
Istanbul, Turkey
The Forum of the Ox (Forum Bovis, ὁ Bῦ, meaning "the Ox") was a public square (Forum) in the city of Constantinople (today's Istanbul). Used also as a place for public executions and torture, it disappeared completely after the end of the Byzantine Empire.
Square data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).