ShotHotspot has mapped 20 abandoned places in Warszawa, Masovian Voivodeship, ranked by how often they're photographed, viewed and voted for. The most popular are Ogród Botaniczny. Centrum zachowania różnorodności biologicznej PAN, Abandoned Warsaw Wsfspacer151 Ruina and Dec. Some are private property or unsafe, so get permission before you visit.
Top abandoned places in Warszawa, Masovian Voivodeship
We don't know whether you're allowed to visit any of these places. Many are private property, closed to the public or unsafe: get permission from the owner or the relevant authority, and take safety precautions.