Original: Ely Cathedral (in full, The Cathedral Church of the Holy and Undivided Trinity of Ely) is the principal church of the Diocese of Ely, in Cambridgeshire, England, and the seat of the Bishop of Ely.
Simplified: Ely Cathedral (full name: The Cathedral Church of the Holy and Undivided Trinity of Ely) is the main church of the diocese of Ely, in Cambridgeshire, England.