The Treaty of Westphalia, putting an end to the Thirty Years War, was signed in the council chambers, known as the Hall of Peace.

After four years of debate and negotiation, representatives of the European powers negotiated to put an end to the fighting of the Thirty Years War. The Treaty of Westphalia was signed in the council chambers, known as the Hall of Peace. The Hall of Peace was completely restored at the beginning of 2003.

Open:
Tuesday - Friday 10 a.m. - 5 p.m.
Saturday, Sunday and holidays 10 a.m. - 4 p.m.
except during official events held by the city.