To provide a vector (point) version of the input administrative units used in GPWv3 for use in data integration.

To provide a database of public China maps, searchable by location, scale, content, publisher, and publication date.

To provide a dynamic matrix for the identification of spatially and temporally-specific data on Chinese administrative units.

To provide a database of works pertaining to the administrative geography of China, searchable by location, time, and subject matter.