Mainland China administrative boundaries from Vonng/adcode

Citation

Vonng/adcode contributors. Mainland China administrative codes and boundary geometry, commit b755d6e.

How it is used

GCJ-02 coordinates were converted to approximate WGS84 before deterministic topology-aware simplification; the release is historical and not a current-boundary claim.

Used by

• The Great Map · HomeBase geography

  Mainland China Admin-1 detail.

• The Great Map · HomeBase geography

  Mainland China Admin-2 detail.

• The Great Map · HomeBase geography

  Selected mainland China Admin-3 detail.

• Global Linguistic LandscapeBase geography

  Mainland province geometry used by the current Official treatment.

• Global Linguistic LandscapeBase geography

  Guangdong prefecture detail for the representative assignment.