The sign on the building says "AREA 51" with a ".bg" domain, which strongly points to Bulgaria. The architecture and the snowy, urban environment are consistent with a city like Sofia. The style of the buildings and the temporary fencing are typical of older, developing urban areas in Eastern Europe. I am reasonably sure this is in Sofia, Bulgaria.

then: forward

The snowy, residential street scene with mature trees and older architecture remains consistent with a quiet neighborhood in Sofia, Bulgaria. The small black-and-white striped bollards are very common in this region. The overall atmosphere feels like a suburban or peripheral district of the capital. I am confident this is Sofia.

then: guess