Institut national de l’information géographique et forestière (National Institute of Geographic and Forest Information- IGN, France)

Institut national de l’information géographique et forestière (National Institute of Geographic and Forest Information- IGN) previously known as the Institut géographique national, is a French public state administrative establishment. Its primary mission is to produce and maintain geographical information for France and its overseas departments and territories. It is responsible for managing and updating geodetic and leveling networks, aerial photographs, geographical databases, and maps. The IGN also leads research and participates in the standardization process in the field of geographical information.