The Dungeon Gate was built by the Bithynia Kingdom in the 2nd century BC.

 

The dungeons, walls and historical gate, which were also used by the Byzantine Empire and the Ottoman Empire, were turned into a museum in October 2021 after the restoration process and opened to service.

 

Dungeon Door Museum is located in Alacahirka neighborhood of Osmangazi district of Bursa.

 

There are various exhibitions, animated narrations, thematic games, an art gallery and a cafeteria in the courtyard in the museum, which consists of 6 floors on a total area of 3000 square meters.

There is a janissary statue at the gate of the courtyard of the museum and welcomes the visitors.