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Available on 2 platforms
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Ordnance Survey and ONS provide digital vector boundaries for UK Counties and Unitary Authorities as of December 2025. The dataset includes full-resolution (BFE) boundaries, which typically follow the Mean Low Water mark but can extend to include offshore islands. It is available via multiple geospatial web services and file formats.
Contains both Ordnance Survey and ONS Intellectual Property Rights; users must comply with the respective licensing terms, which are not specified in the input.