The cobblestone streets and the specific style of the apartment blocks with air conditioning units suggest Eastern Europe. The text on the building sign uses Cyrillic script, specifically "ТИМ", which points towards Bulgaria. The phone number format on the bottom of the image, "+359", confirms this is Bulgaria. The architecture and the autumn foliage are consistent with a residential area in a city like Sofia or Varna. I am fairly confident this is in Bulgaria.

then: guess