The architecture of this building, with its clean, modern lines and large glass windows, is very characteristic of contemporary Northern European urban design. The reflection in the windows shows another building with a curved facade, which is a strong architectural clue. The overall aesthetic feels very Scandinavian, likely Sweden or Norway. I suspect this is a quiet urban area, possibly a residential or office district in a city like Stockholm or Oslo. I am moderately sure about the region.

then: forward

The "SATS" sign is a major clue, as it is a prominent gym chain in Scandinavia. The architecture, particularly the warm-toned, older building on the right contrasted with the modern residential block, is very typical of Stockholm. The street layout and general atmosphere strongly suggest a Swedish urban environment. I am now quite confident that I am in Stockholm, Sweden.

then: guess