The graffiti on the wall shows Greek characters, which strongly points to Greece. The architecture, with its typical balconies, roller shutters, and urban density, is very characteristic of Athens. The style of the buildings and the graffiti tags are common in many neighborhoods of the city. I am fairly confident this is in Greece.

I suspect this is in Athens, Greece. My confidence level is 70%.

then: forward

The sign "EONIKH AΣΦAΛIΣTIKH" (National Insurance) confirms this is Greece. The graffiti explicitly mentions "Patissia," which is a well-known neighborhood in Athens. The building style with roller shutters and air conditioning units is classic for this area. I am very confident in this location.

I suspect this is in the Patissia neighborhood of Athens, Greece. My confidence level is 95%.

then: guess