Nominatim (from the Latin, by name) is a tool to search OSM data by name and address and to generate synthetic addresses of OSM points (reverse geocoding).


You can download the latest development version from github.

The latest release is 3.1.0.

For older releases, see the release history.


  • Usage gives a short overview over the API.
  • FAQ answers commonly asked questions by users of the API.
  • Installation contains instructions for installing your own Nominatim database using the latest release.

Documentation for the development version can be found in the develop section. For older releases, check out the release history.

Additional Files

The following is a list of additional data files useful for Nominatim installations: