Celtic toponymy from Brythonic *"crüg" 'hill' (Irish "cruach") From tribal name "Dumnonii" or "Dumnones", from Celtic *"dumno-" 'deep', 'world' From Celtic *"dubr-" 'water', *"dubrās" 'waters' (Welsh "dwfr"; Breton "dour") First element is possibly "dun", ' hill fort' (Welsh ddin, 'fort'). First element from Celtic *"duro-" 'fort'; in "Dūrobrīvae", Celtic *"brīwa" 'bridge' Possibly derived from Brythonic *"iska", 'water, fish' and *"leith", 'damp, wet'. From Celtic *"iska" 'water' (Irish "uisce"); second element in "Isca Dumnoniorum" (Exeter) is a tribal name (see "Devon") From Brythonic *"lēd-" [from Celtic *"leito-"] + *"rïd-" [from Celtic *"(φ)ritu-"] = "Grey Ford" From Celtic *"lindo-" 'pool' + Latin "colonia" 'colony'
Southern England have a distinct identity from the rest of England, however without universal agreement on what cultural, political, and economic characteristics of the South are. For statistical purposes, Southern England is divided into four regions: South West England, South East England, London, and the East of England. Combined, these have a total area of , and a population of 28 million. People often apply the terms "southern" and "south" loosely, without deeper consideration of the geographical identities of Southern England. This can cause confusion over the depth of affiliation between its areas. As in much of the rest of England, people