Looking at the new module feed for drupal I found GEO RSS which seems like a cool concept for tagging where things happen.. I have always loved mapping tricks so here is another for drupal..

It is based on:

GeoRSS is simple proposal for RSS feeds to also be described by location or Geotagged. We standardize the way in which "where" is encoded with enough simplicity and descriptive power to satisfy most needs to describe the location of Web content.

GeoRSS may not work for every use (for example, we provide for only one location per RSS entry), but it should serve as an easy-to-use geotagging language that is brief and simple with useful defaults but extensible and upwardly-compatible with more sophisticated formats like the OGC (Open Geospatial Consortium) GML (Geography Markup Language).