GeoPlanet is a computer platform for coordinating world-wide geographic information, and providing both text and cartographic output, such as digital maps for any location in the world. It provides a location infrastructure for search engines, portals and both Web and WAP sites. It was developed by GDC, a London-based geographic information company, which was acquired by Whereonearth in 1998. When Whereonearth spun off GDC in 2002, it kept GeoPlanet. When Yahoo! purchased Whereonearth in 2005, it acquired GeoPlanet.

GeoPlanet is a computer platform for coordinating world-wide geographic information, and providing both text and cartographic output, such as digital maps for any location in the world. It provides a location infrastructure for search engines, portals and both Web and WAP sites. It was developed by GDC, a London-based geographic information company, which was acquired by Whereonearth in 1998. When Whereonearth spun off GDC in 2002, it kept GeoPlanet. When Yahoo! purchased Whereonearth in 2005, it acquired GeoPlanet.