There is provided a method of automatically tagging social network posts with geo-location tags, comprising: for each of a plurality of user generated content items uploaded to a social network from a plurality of different client devices: selecting a specific geographic region mapping dataset of a plurality of geographic region mapping datasets corresponding to a specific geographic region identified by an analysis of the respective user generated content post, mapping by the specific geographic region mapping dataset, a generic term to a specific geographic location within the specific geographic region, and tagging the respective user generated content item with a geo-location tag of the specific geographic location within the specific geographic region.