Llandaff (, [ɬan-]; Welsh: Llandaf [ɬanˈdaːv]; from llan 'church' and Taf) is a district, community and coterminous electoral ward in the north of Cardiff, capital of Wales. It was incorporated into the city in 1922. It is the seat of the Bishop of Llandaff, whose diocese within the Church in Wales covers the most populous area of South Wales.