The St. Pierre Cathedral is a cathedral in Geneva, Switzerland, today belonging to the  Swiss Reformed Church. It was begun under Arducius de Faucigny, the Prince-bishop of the Diocese of Geneva, in the 12th century, and includes an eclectic mix of styles. It is best known as the adopted home church of John Calvin, one of the leaders of the Protestant Reformation. Inside the church is a wooden chair used by Calvin.

(Excerpt from http://en.wikipedia.org/wiki/Cathedral_Saint-Pierre_%28Geneva%29