The Silesian Museum in Opava is the oldest and the third largest museum in the Czech Republic. The museum also manages other heritage sites.
Wikipedia https://en.wikipedia.org/wiki/Silesian_Museum_(Opava)
Official Website http://www.szm.cz/
Phone +420 553 714 809
Coordinates 49°56'14.527" N 17°54'29.943" E
