Ordnance Survey – Great Britain's national mapping agency
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Choose the right product for your needs by answering a few simple questions
You are looking for:
- digital map data files for use in a computer system (choose again)
- a general representation of a region (choose again)
What type of data do you need?
- Administrative boundaries (counties, constituencies)
- An index of place names (gazetteer)
- Ground detail (topography)