Gradski muzej Sisak is the central cultural institution of the city of Sisak, Croatia. Its mission is to develop museum activities, preserve and present the area’s tangible and intangible heritage, and highlight its distinctive history from prehistoric times to the present. The museum’s collections and departments cover archaeology, numismatics, cultural history, ethnography and art, supported by educational and public relations departments.

Visitors can explore exhibitions and educational programs, learn about the city’s past, and discover local industrial heritage. The museum’s visitor sites include the HoKu Industrial Heritage Information Centre in the Dutch House, the Munjara Knowledge Centre and Planetarium, and Siscia in situ. The website also lists an exhibition on the Homeland War at Barutana, which is closed, and the Old Town, currently undergoing restoration. The Dutch House and Munjara host events and exhibitions, including displays drawn from the museum’s technical collection. The museum shares news and visitor information online and provides a museum shop.