The road markings and the blue "keep right" sign indicate right-hand traffic. The text on the building, "Młodzieżowy Dom Kultury" and "DOM HARCERZA," is clearly Polish. The architecture and the general atmosphere look like a typical Polish town or city suburb. I am quite confident this is in Poland.

I suspect this is in Poland, likely in a city like Toruń or a similar mid-sized town. I am 70% sure.

then: guess