an electronic tag that assigns a geographical location to a photograph or video, a posting on social media, etc.

you can go back and add geotags to existing shots

assign a geotag or geotags to (a digital photograph or video, a posting on social media, etc.)

researchers looked at a total of 380,000 messages, each geotagged so that the location of the tweeter could be pinpointed

the device also has a 3 megapixel camera which can be used for geotagging