Complex sentence: The diocese covers the counties of Northamptonshire, Rutland and the Soke of Peterborough in Cambridgeshire and has its see in the City of Peterborough, where the seat is located at the Cathedral Church of Saint Peter, Saint Paul and Saint Andrew.
Split into simpler sentences: The diocese covers the counties of Northamptonshire, Rutland and the Soke of Peterborough in Cambridgeshire. Its see is centred the City of Peterborough, where the bishop's seat (cathedra) is located at the Cathedral Church of Saint Peter, Saint Paul and Saint Andrew.