A current mosque in the city of Bihać, was a church in the past, this building is distinguished by its distinctive architecture, and was built in 1266, making it the oldest building with a Gothic character in the country. Knowing that it was built as a Catholic church dedicated to St. Anthony at first, and then it was later converted into a mosque in 1592 by the Ottomans. This mosque is now an important tourist attraction for locals and tourists alike.