The Episcopal Diocese of Rochester is the diocese of the Episcopal Church in the United States of America with jurisdiction over eight counties in west central New York. It is bounded on the north by Lake Ontario, on the east by the Episcopal Diocese of Central New York, on the south by the Episcopal Diocese of Central Pennsylvania and on the west by the Episcopal Diocese of Western New York. It is in Province 2 and has no cathedral. Its diocesan offices are in Henrietta, New York.