The principality has an area of 0.8 square miles and a population of 35,000. Roman Catholicism is the state religion, and most of the approximately 7,200 citizens adhere to that faith, at least nominally. There are five Catholic churches in the principality, in addition to a cathedral. An archbishop presides over the Archdiocese of Monaco. Protestantism is the next most practiced religion, with two churches. There is also one Greek Orthodox church and one synagogue. The Constitution provides the 28,000 noncitizen residents the same religious freedom as citizens. Most noncitizens also adhere to either Catholicism or Protestantism, although there are some who practice Judaism, Islam, or other religious beliefs. There are 1,000 Jewish noncitizen residents. There are no mosques.