St. Mary's Church in Lübeck was built between 1250 and 1350. It has always been a symbol of the power and prosperity of the old Hanseatic city, and is situated at the highest point of the island that forms the old town of Lübeck. It is part of the UNESCO World Heritage Site of the old Hanseatic City of Lübeck.
St. Mary's epitomizes north German Brick Gothic and set the standard for about 70 other churches in the Baltic region, making it a building of enormous architectural significance. St Mary's Church embodied the towering style of Gothic architecture style using north German brick. It has the tallest brick vault in the world, the height of the central nave being 38.5 metres .
It is built as a three-aisled basilica with side chapels, an ambulatory with radiating chapels, and vestibules like the arms of a transept. The westwork has a monumental two-tower façade. The height of the towers, including the weather vanes, is 124.95 metres and 124.75 metres , respectively.
St. Mary's is located in the Hanseatic merchants' quarter, which extends uphill from the warehouses on the River Trave to the church. As the main parish church of the citizens and the city council of Lübeck, it was built close to the town hall and the market.