The architecture features industrial concrete and red brick structures typical of post-Soviet or Eastern European regions. The unpaved, muddy road and the overall atmosphere strongly suggest an industrial outskirts area in Russia. The Cyrillic script on the sign confirms this location. I suspect this is somewhere in Russia, possibly near Saint Petersburg or Moscow. I am moderately sure.

then: forward

The scene shows utilitarian, grey concrete panel buildings, which are iconic of the Soviet era. The unpaved road and the specific style of the industrial structures point toward a provincial Russian setting. The sky and vegetation are consistent with a northern or central Russian climate. I am fairly confident this is in Russia, likely in the industrial outskirts of a city like Saint Petersburg.

then: guess