The Episcopal Diocese of New Jersey forms part of Province II of the Episcopal Church in the United States of America. It is made up of the southern and central New Jersey counties of Union, Middlesex, Somerset, Hunterdon, Mercer, Monmouth, Ocean, Burlington, Camden, Atlantic, Gloucester, Salem, Cumberland, and Cape May. It is the second oldest of the nine original Dioceses of the Episcopal Church. Services began in 1685 at St. Peter's, Perth Amboy, the oldest parish in the diocese. The diocese itself was founded in 1785.