Cardiff

geographical name
Car·​diff | \ ˈkär-dif How to pronounce Cardiff (audio) \
variants: or Welsh Caerdydd \ kī(-​ə)r-​ˈdēt͟h How to pronounce Caerdydd (audio) \

Definition of Cardiff

1 administrative area of southern Wales area 54 square miles (140 square kilometers)
2 city, port at the mouth of a river on Bristol Channel, and capital of Wales population 272,600