The architecture and the trolleybus overhead wires suggest a city in Eastern Europe or the Baltics. The street signs appear to be in a Latin script, and the overall urban layout feels like a post-Soviet or Nordic-influenced city. The bus looks like a modern public transport vehicle common in cities like Tallinn or Riga. I suspect this is in Estonia, specifically Tallinn, given the building styles and the general atmosphere. I am moderately sure of this location.

then: guess