The city of Traianoupoli was founded by the Roman emperor Trajan (r. 98–117) near the ancient town of Doriscus, and received his name. In the Roman period, the city was famous for its baths. The are today ruins of four baths of the Roman and Ottoman period. The Hana is an impressive baths building of the Roman period, renovated by the Ottoman Gazi Evrenos.
The first written record of church in Danmark locality date back to the year 1291. Close to the church are several stones with a Christian text and cross inscribed. The oldest parts of the present red-brick church are from the 1300s. In the late 1400s the church was enlarged to the appearance it has today. The church has been modified both internally and externally several times, among other things after the fires in 1699 and 1889. There are lot of well-preserved mural paintings in the walls.