UNITED NATIONS

The Second Administrative Level Boundaries (SALB) programme objective is to promote accessible, interoperable and global data and information on subnational units and boundaries, or common geographies, for better decisions, stronger support to people and planet and to monitor the Sustainable Development Goals... The SALB programme, in close collaboration with National Geospatial Information Authorities* each Member States of the United Nations, aims to make available a global repository of authoritative information and geospatial data about the administrative units structure of countries down to the second subnational level, and through time... Historical tables providing changes of national administrative units and names for the first and second level below national

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