St. Peter's Church is an evangelical church built in the middle of the thirteenth century, and is the oldest of the three churches in the German city of Rostock, built of bricks in the German Gothic style that was followed in the Hanseatic coastal cities located in northern Germany. The church consists of three naves with high ceilings, in addition to circular arched porticos and three round arched arches located on each side of the church except for the eastern side.