The City Guard (Croatian: Zgrada Glavne straže) is the name of the building which formerly housed the city guard of Osijek, Croatia.

Today, the building houses the Archaeological Museum Osijek, a local museum focusing on the history of the city.

Located on Holy Trinity Square, the facade of the City Guard building features a prominent arcade .

The building also includes a bell tower with an attached terrace, from the top of which the entirety of Tvrđa is visible.

This article about a Croatian building or structure is a stub.