The Bishop of Chichester, as diocesan bishop, has overall oversight of the whole diocese but also delegates authority to the Bishops of Horsham and Lewes.
The Archdeacon of Chichester is responsible for the coastal region of West Sussex; the Archdeacon of Horsham for the rest of that county; the Archdeacon of Brighton and Lewes is responsible for Brighton, Hove and Lewes & Seaford deaneries and the Archdeacon of Hastings for the remaining deaneries in East Sussex.
For a full list of parishes and churches in the diocese, click here.