The Basilica of St. Martin also called Bingen am Rhein Basilica Is the main Catholic church of the city of Bingen am Rhein, in Rhineland-Palatinate in Germany. The church is located on the bank of the Nahe. It was restored and renovated several times, so it is a fusion of different styles. Around 793 the crypt was built, one of the oldest crypts of Austrasia.