"I've checked today - nothing even close. Website isn't working also"
The place has gone or never existed. This is an auto-generated note from MAPS.ME application: a user reports a POI that is visible on a map (which can be outdated), but cannot be found on the ground.
POI name: Sí
POI types: amenity-restaurant
OSM data version: 2019-06-21T10:47:15Z
#mapsme

Unable to answer "Is the restroom Veřejné WC wheelchair accessible?" for https://osm.org/node/619170348 via StreetComplete 32.2:

The toalets are currently undergoing reconstruction.

Trash container. You can drop trash there.

Zde někde by měla být knihobudka. Viz: http://www.knihobudka.cz/

Thuis Tsjechie

Barokní Sousoší sv. Floriána
J. F. Pacák 1730

Barocke Skulptur Hl. Florian
G. F. Patzak 1730

Gemeldet von maya2
w.honal@gmx.de

Albert is in the building :D
Top right corner.