Place name origins only have little relation to the Roman names (e.g. Chester - 'Deva', Winchester - 'Venta Belgarum' etc.). Many English places derive part of their name from the river upon which they were built, but in the 16th century many English rivers were renamed with back-formations from towns on their banks. Cambridge, perhaps uniquely, illustrates both effects: originally "Grontabricc", a bridge on the Granta, the name became "Cantebruge" and then "Cambrugge", from which the river was renamed Cam. The vast majority of place names in Wales are Welsh by origin, containing elements such as Llan-, Aber-, Pen- etc. Along the south
New England town concept. Districts have not been at all common since the first half of the 19th century, and there have not been any districts anywhere in New England in over a century. Maine is the only New England state that currently has a significant amount of territory that is not sufficiently populated to support town governments, thus the only New England state that still has a need for the plantation type of municipality. For a historical example in New Hampshire, see Plantation number four. Perhaps because the towns themselves are such strong entities, most areas of New England never developed municipal