Place
- Canford Magna, Dorset1
- Canterbury, England1
- Carisbrooke, Isle of Wight1
- Carlisle, England1
- Carnarvonshire, Wales1
- Castle Hedingham, Essex1
- Castle Rising, Norfolk1
- Castleton, Derbyshire1
- Caudebec-en-Caux, France1
- Chilham, Kent1
- Chirk, Den1
- Coblenz, Germany1
- Cockermouth, Cumberland1
- Colchester, Essex1
- Cologne, Germany1
- Conisborough, Yorkshire1
- Coucy, France1
- Courtrai, West Flanders1
- Cranford St Andrew, Northamptonshire1
- Darlington, Durham1