0 a piece of electronic data that shows where someone or something is and can, for example, be attached to a photograph or comment on social media --
1 to add a geotag to something, for example a photograph or comment on social media: --
The phone doesn't geotag your photos without your authorization.
Searching a list of blogs and pictures tagged using geotag technology allows users to select areas of specific interest to them on interactive maps.
Many smartphones automatically geotag their photos by default.