Editing Caer (section)

=== England ===
The Cumbric language was spoken in Northern England until the Medieval era in which the element ''caer'' ("fort") was used in naming places.<ref name="BLITON" /> It also appears in Cornish place-names as ''Ker-''.<ref name="BLITON" />
* [[Caer Mote|Caermote]], Cumberland (''Caermollt'', "Fort of the wether")<ref name="BLITON" />
* Cardew, Cumberland (''Caerdu'', "Black fort")<ref name="BLITON" />
* Cardunneth, Cumberland (''Caerdunawd'', "Dünǭd's fort")<ref name="BLITON" />
* [[Cardurnock]], Cumberland (''Caerdwrnog'', "Fort of the fist-sized stones")<ref name="BLITON" />
* [[Cargo, Cumbria|Cargo]], Cumberland (''Caergoll'', "Fort of hazel")<ref name="BLITON" />
* Carhullan, Westmorland ("Fort of Holland")<ref name="BLITON" />
* Carrick, Northumberland (''Caerwig'', "vicus fort")<ref name="BLITON" />
* Carlatton, Cumberland ("Fort of the leek enclosure")<ref name="BLITON" />
* [[Carlisle, Cumbria|Carlisle]], Cumberland (''{{lang|cy|Caerliwelydd}}'', "Fort [[Luguwalion|Luguwalos]]")<ref name="BLITON">{{cite web |last1=James |first1=Alan |title=The Brittonic Language in the Old North |url=https://spns.org.uk/wp-content/uploads/2020/05/Alan_James_Brittonic_Language_in_the_Old_North_BLITON_Volume_II_Dictionary_2020_Edition.pdf |website=Scottish Place Name Society}}</ref>
* Carmolt, Cumberland (''Caermollt'', "Fort of the wether")<ref name="BLITON" />
* [[Carrycoats]], Northumberland (''{{lang|cy|Caerycoed}}'', "Fort of the wood")<ref name="BLITON" />
* [[Carvoran]], Northumberland (''{{lang|cy|Caerferin}}'', "Fort of the Morini")<ref name="BLITON" />
* [[Kerrier]], Cornwall<ref name="D. Mills, 2011">A. D. Mills, ''A Dictionary of British Place Names'' (Oxford: Oxford University Press, 2011), s.v.</ref>

''Caer'' is also found in Welsh exonyms for English cities.
* [[Cambridge]] (''{{lang|cy|Caergrawnt}}'', "Fort [[River Cam|Granta]]")
* [[Canterbury]] (''{{lang|cy|Caergaint}}'', "Fort [[Kingdom of Kent|Kent]]")
* [[Chester]] (''{{lang|cy|Caer}}'', "Fort")
* [[Chichester]] (''{{lang|cy|Caerfuddai}}''&thinsp;)
* [[Durham, England|Durham]] (''{{lang|cy|Caerweir}}'', "Fort of the [[River Wear|Wear]]")<ref name="BLITON" />
* [[Gloucester]] (''{{lang|cy|Caerloyw}}''&thinsp;)
* [[Exeter]] (''{{lang|cy|Caerwysg}}'', "Fort [[River Exe|Usk]]", also Cornish ''Karesk'')
* [[Lancashire|Lancaster]] (''{{lang|cy|Caerhirfryn}}''&thinsp;)
* [[Leicester]] (''{{lang|cy|Caerlŷr}}'', "Fort [[River Soar|Leir]]")
* [[Lichfield]] (''{{lang|cy|Caerlwytgoed}}'', "Fort [[Letocetum#Etymology|Grey Wood]]")
* [[Salisbury]] (''{{lang|cy|Caersallog}}''&thinsp;)
* [[Winchester]] (''{{lang|cy|Caerwynt}}''&thinsp;)
* [[Worcester, England|Worcester]] (''{{lang|cy|Caerwrangon}}''&thinsp;)

[[File:Carriden House.jpg|thumb|Carriden House, a refurbished Roman fort which formerly formed part of the [[Antonine Wall]] in Scotland.]]