The Grossmünster (German pronunciation: [ɡʁoːsˈmʏnstɐ]; "great minster") is a Romanesque-style Protestant church in Zurich, Switzerland. It is one of the four major churches in the city (the others being the Fraumünster , Predigerkirche, and St. Peterskirche). Its congregation forms part of the Evangelical Reformed Church of the Canton of Zurich . The core of the present building, near the banks of the Limmat, was constructed on the site of a Carolingian church, which was, according to legend, originally commissioned by Charlemagne. Construction of the present structure commenced around 1100 and it was inaugurated around 1220.