Within the Church of England, a diocese is a geographical area representing a regional worshipping community in the UK. The g ... eographical boundaries of the Diocese of Derby and the County of Derbyshire are virtually identical. The Diocese is divided further into eight Deaneries: four in the Chesterfield Archdeaconry and four in Derby Archdeaconry. There are 330 Church of England churches in the Diocese with 220 licensed clergy and 300+ licensed lay readers. read more