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OpenStreetMap Nominatim

Travel & PlacesUtilities

Turn place names and addresses into coordinates, and coordinates back into addresses, using OpenStreetMap's own geocoder. Search the whole world map by text or by separate address fields, look places up by their OpenStreetMap id, and read everything the map holds about one of them. No account or API key required.

8 actions

Actions

Steps your workflow can run in OpenStreetMap Nominatim.

Search for placesSearch OpenStreetMap for anything you can describe in words - a landmark, a full address, a postcode, or a kind of place near a point - and get back each match with its coordinates, full address, and OpenStreetMap id.
Search by address fieldsFind a place from the separate parts of its address - street, city, postcode, country - rather than one line of text. More accurate when the address already arrives in columns, because Nominatim is told which part is which.
Find the address of a coordinateTurn a latitude and longitude into the place that is there, at whatever level of detail you choose, from the exact building up to the country. A point with nothing mapped near it is reported rather than treated as an error.
Look up places by OSM idFetch up to 50 known OpenStreetMap objects by their ids in one call, so a workflow that must keep pointing at the same place never depends on a search result that can move.
Get everything about one placeRead the deepest view of a single place: every name variant, the tags behind it, the address hierarchy it sits in, the places it contains, and its search ranks.
Check the serverCheck that the Nominatim server is up and see how recently it pulled in edits from OpenStreetMap.
List places pending deletionList the places deleted from OpenStreetMap that are still in the server's index, waiting for the deletion to be confirmed.
List broken area boundariesList the areas whose outline could not be imported cleanly, each with the error recorded against it - how mappers find boundaries that need fixing.

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