The sign says "ЕТАЖ" in Cyrillic, which points to a Slavic-speaking country. The black and white striped bollards are very characteristic of Bulgaria. The architecture and the overall vibe of the street feel like Sofia. I am fairly confident this is in Bulgaria.

then: forward

The Cyrillic script and the specific architectural style of the buildings strongly confirm Sofia, Bulgaria. The snowy conditions and the urban layout are very typical for the central parts of the city. I see a poster that mentions "София" (Sofia), which cements my location. I am very sure this is in central Sofia.

then: guess