What is "munstergasse"

The Münstergasse is one of the streets in the Old City of Bern, the medieval city center of Bern, Switzerland. It is part of the Zähringerstadt which was built during the foundation of the old city in 1191. However, until 1967 it was parts of several other streets. It runs along the Cathedral and it is part of the UNESCO Cultural World Heritage Site that encompasses the Old City.