The Archdiocese of Birmingham has 224 parishes, some with more than one church (as of 2015), with 263 churches visited in this review. The cathedral is in Birmingham and is dedicated to St Chad. The Diocese of Birmingham was founded on 29 September 1850. It covers parts or all of the counties of Oxfordshire and Berkshire (north of the River Thames), Staffordshire, Warwickshire, West Midlands and Worcestershire. It is the Metropolitan diocese in Province of Birmingham.