The Diocese of Montreal is a iocese of the Ecclesiastical Province of Canada of the Anglican Church of Canada, in turn a province of the Anglican Communion. The diocese comprises the 21,400 square kilometres encompassing the City and Island of Montreal, the Laurentians, the South Shore opposite Montreal, and part of the Eastern Townships. The See city is Montreal, and the cathedral is Christ Church. The diocese maintains approximately 14,000 on its parish rolls in seventy-three parishes.