Grzybowski Square is a triangular square in the Śródmieście district of Warsaw, Poland, between Twarda, Bagno, Grzybowska and Królewska streets.
Wikipedia https://en.wikipedia.org/wiki/Grzybowski_Square
Official Website http://www.um.warszawa.pl/o-warszawie/kompendium-wiedzy/plac-grzybowski
Address 12/16 Plac Grzybowski, Warszawa 00-104, Poland
Coordinates 52°14'9.845" N 21°0'12.154" E
