The driving side is on the right, which is standard for Central Europe. The presence of tram tracks in the middle of the road and the style of the multi-story buildings strongly suggest a German-speaking country. The parking sign on the pole is typical for Germany. I suspect this is a city in Germany, possibly Berlin or Munich, given the urban density and construction cranes. I am moderately sure.

then: forward

The van has a ".de" website address, confirming Germany. The tram infrastructure and the specific architecture of the buildings point toward a major city. The "Partyking" branding and the overall urban layout feel very characteristic of a German metropolitan area. I am confident this is Germany, likely Berlin given the tram network and urban density. I am fairly sure.

then: guess