The architecture, with its ornate neoclassical style and balconies, is very characteristic of Eastern or Central Europe. I see a blue and yellow flag on the balcony, which strongly suggests Ukraine. The street infrastructure, including the trolleybus wires and the cylindrical advertising pillar, is common in many historic European city centers. The overall atmosphere and building style point towards a major Ukrainian city. I suspect this is in Kyiv.

I am reasonably sure.

then: guess