The architecture, cobblestone streets, and the specific style of the buildings strongly suggest an Italian city center. The sign "VIETATO L'INGRESSO" confirms the language is Italian. I see a building in the background with a flag that resembles the French tricolor, which is common for embassies or cultural institutions in Rome. The overall aesthetic is very characteristic of historic Rome, specifically near Piazza Navona. I am quite confident this is Rome, Italy.

then: guess