Park Cytadela (Polish Castle) in Poznań (Western Poland) is a large park in the site of Fort Winiary, a fortified 19th-century area north of the city center.
It contains a military museum, military cemeteries and remains of some fortifications. Located within the Stare Miasto area of the city, south of Winogrady.
The site is listed as one of the official national historical monuments of Poland (Pomnik historii), as determined on November 28, 2008, along with other parts of the historic heart of the city. Its inclusion is maintained by the National Heritage Council of Poland.