Dover, GB
St Mary sub Castro (i. e. "St Mary below the Castle"), or St Mary de Castro, or St Mary in Castro ("St Mary in the Castle"), is a church in the grounds of Dover Castle, Kent, south-east England. It is a heavily restored Anglo-Saxon structure, built next to a Roman lighthouse which became the church
bell-tower. St Mary serves the local population and the army and is the church of the Dover Garrison.
Listen to the audio guide for St Mary sub Castro, Dover Free on WIP — starts by itself when you arrive, even with the screen off