All cities and towns of the UK having a population of more than 50,000.
All conurbations of the UK having a population of more than 100,000.
The counties and unitary districts of England as well as all English cities and towns having a population of more than 20,000.
All English conurbations having a population of more than 20,000.
The population of the boroughs of Greater London.
For each region, the counties and unitary districts as well as all cities and towns having a population of more than 1,500 (uses Google Maps).
All settlements and agglomerations of Northern Ireland that have more than 20,000 inhabitants.
The Scottish council areas and all cities having a population of more than 20,000.
All conurbations in Scotland that have a population of more than 20,000.
The Scottish council areas as well as all cities and localities having a population of more than 500 (uses Google Maps).
The Welsh districts as well as all cities and towns having a population of more than 20,000.
All Welsh conurbations having a population of over 20,000.
The Welsh districts as well as all cities and towns having a population of more than 1,500 (uses Google Maps).