The blue parking lines along the curb are characteristic of parking zones in several Central European cities. The architecture, with its ornate facades and high-density apartment blocks, strongly suggests a city like Prague. The "P" sign for parking is standard for the region. I suspect this is in the Czech Republic, likely in a residential district of Prague. I am moderately sure of this location.

then: forward

The blue parking markings on the curb are very consistent with the residential parking zones found in Prague, Czech Republic. The architecture of the apartment buildings, with their classic European style and tree-lined streets, strongly reinforces this assessment. The vehicles and overall urban density align perfectly with the Vinohrady or Žižkov districts of Prague. I am quite confident this is in Prague.

then: guess