Locations
- Callington
- Calne
- Camberley
- Camborne
- Cambridge
- Cambridgeshire
- Camden
- Cannock
- Cannock Chase
- Canterbury
- Canvey Island
- Capel-le-Ferne
- Carcroft
- Cardiff
- Carlisle
- Carmarthenshire
- Carnforth
- Carnlough
- Carrickfergus
- Carryduff
- Carshalton
- Carshalton Beeches
- Carterton
- Cassington
- Castle Cary
- Castle Donington
- Castle Point
- Castledawson
- Castlederg
- Castleford
- Castlewellan
- Caterham
- Catterick Garrison
- Caversham
- Central Bedfordshire
- Ceredigion
- Chadwell St Mary
- Chaldon
- Chalfont St Peter
- Chard
- Charing
- Charlwood
- Charmouth
- Charnwood
- Chatham
- Chatteris
- Cheadle
- Cheam
- Cheddar
- Chelmsford
- Cheltenham
- Chepstow
- Chertsey
- Cherwell
- Chesham
- Cheshire
- Cheshire East
- Cheshire West and Chester
- Cheshunt
- Chessington
- Chester
- Chester le Street
- Chesterfield
- Chichester
- Chickerell
- Chigwell
- Chilton
- Chingford
- Chinnor
- Chippenham
- Chipping Campden
- Chipping Norton
- Chislehurst
- Choppington
- Chorley
- Chorleywood
- Christchurch
- Church Stretton
- Cinderford
- Cirencester
- Clackmannanshire and Stirling
- Clacton-on-sea
- Claverham
- Claydon
- Claygate
- Clayton le Moors
- Cleator
- Cleator Moor
- Cleckheaton
- Cleethorpes
- Clevedon
- Cleveleys
- Clitheroe
- Clogher
- Clough
- Coalville
- Cobham
- Cockermouth
- Codnor
- Colchester
- Coleford
- Coleraine
- Coleshill
- Colne
- Colyton
- Comber
- Congleton
- Consett
- Conwy
- Cookstown
- Copthorne
- Corbridge
- Corby
- Cornwall
- Corringham
- Corsham
- Coseley
- Cotswold
- Cottenham
- Cottingham
- Coulsdon
- County Durham
- Coventry
- Cowes
- Cowfold
- Cradley Heath
- Craigavon
- Cramlington
- Cranborne
- Cranbrook
- Cranleigh
- Craven
- Craven Arms
- Crawley
- Crawley Down
- Crediton
- Crewe
- Crewkerne
- Croesoswallt
- Cromer
- Crook
- Crossgar
- Crossmaglen
- Crowborough
- Crowland
- Crowthorne
- Croydon
- Crumlin
- Cullercoats
- Cullompton
- Cullybackey
- Cultra
- Cumberland
- Cushendall
- Cushendun
- Dacorum
- Dagenham
- Dalton-in-furness
- Danbury
- Darlington
- Dartford
- Dartmouth
- Darwen
- Datchet
- Daventry
- Dawlish
- Dawlish Warren
- Deal
- Denbighshire
- Denby Dale
- Denham
- Derby
- Derbyshire
- Derbyshire Dales
- Dereham
- Derry
- Derrygonnelly
- Devizes
- Devon
- Dewsbury
- Didcot
- Didsbury
- Dinnington
- Diss
- Donaghadee
- Doncaster
- Donnington
- Dorchester
- Dorking
- Dorset
- Dover
- Dovercourt
- Doveridge
- Downham Market
- Downpatrick
- Driffield
- Droitwich
- Dromore
- Dronfield
- Drybrook