Cities History

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This forms part of UK Editing Best Practice. Editors are encouraged to follow these guidelines.

City and County Naming

The City field should be used to specify the city, town or village for all the streets within it.
Every city will belong to a County, and it's name must be unique within that county.
Rural roads that are in-between towns should be be left with No city.

Where possible, the simplest unique name should be used. In the very rare case where two towns in the same county share the same name, the district can be added in brackets afterwards. For example, "Horby (Hambleton)" would distinguish it from Horby (Richmondshire), both in North Yorkshire.

The Gazetteer of British Place Names is a good reference source for checking for duplicate names and districts.

The editor will display the error message "The highlighted road is too far from the city it was added to" when attempting to add a duplicate name. This is to prevent smudges and means that a different name will need to be chosen for that town or village.


  • County suffixes should no longer be added to the names of towns or villages.
  • If a city needs renaming, please request it using this form.
  • DO NOT attempt to manually rename a city by hand, unless is has very few segments.
  • For large cities, it may be necessary to split it up into suburbs (see below).


City Suburbs

For very large cities which have their own counties, individual suburbs can become the name of the town. This is particularly important for generating useful the traffic reports, especially when there are long arterial or ring roads that go through several parts of the city.

Postal Vs. Actual Addresses

In some areas the postal address does not match the county. This happens frequently in parts of London, e.g. Enfield is in Middlesex for Royal Mail, Bromley is in Kent and Hornchurch is in Essex, but they are all part of Greater London and some are Unitary Authorities and so in effect are their own "County". As they are the largest with their names, the simplest unique name rule comes into play, so they are shown as Enfield, Bromley and Hornchurch with no suffix.

A different example is Belmont, which has two instances in Greater London. The Gazetteer lists another six around the UK. As it would be difficult to determine which of these is the largest, both of them should have a County suffix. Belmont in the London Borough of Sutton should be "Belmont (Surrey)". Belmont in LB Harrow should be "Belmont (Middx)".

The exception of Middlesex, which is no longer a county but some towns still retain their postal addresses, has been discussed. See UK City Names Forum Topic for this.

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