Palace of the Ministry of Revenues and Treasury
Śródmieście, Poland
The Palace of the Government Commission of Revenues and Treasury (Pałac Komisji Rządowej Przychodów i Skarbu) is located at 3/5 Bank Square in Warsaw. It is sometimes simply referred to as the Commission Palace. Currently it is not the home to the named ministry, but serves as Warsaw's official city hall, the seat of the Mayor of Warsaw and the office of the Voivode of the Masovian Voivodeship.
Palace data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).