Erik Fantasia

With Map My Posts, you can easily create maps plotting the location of your posts, based upon your existing tags or categories.
<ul>
<li>3 map types available: Google Maps, Google Static Maps (PNG image), and Geochart Visualizations.</li>
<li>Embed maps on any page using the shortcodes [mmp-map], [mmp-staticmap], and [mmp-geochart]</li>
<li>Associate with a country or any specific map location.</li>
<li>Map My Posts uses existing category or tag names to help define country associations.</li>
<li>Widgets available to display maps in the sidebar.</li>
<li>Full control over size, colors, and click functions.</li>
<li>Perfect for travel bloggers, touring musicians, or anyone else that wants to Map My Posts!</li>
</ul>
Get Help
Please leave a message on <a href="https://wordpress.org/support/plugin/map-my-posts" rel="ugc">the wordpress.org support forum for Map My Posts</a>

Map My Posts

Less is more. Light is better. You original idea is awesome. Keep going ! These updates would be appreciate : 
- an update to use the new Google Map API,
- make it 100% WPML compatible (join translated locations using shortcode static map)
- be able to add our own custom taxonomy from the dashboard 

Your original idea is awesome

Map My Posts allows you to display a Google Map or Geochart visualization, associating map locations with your existing categories or tags.

bloomfornews

This plugin provides geotagging capabilities for your content and hyperlocal features for your website and newsletters to enable your readers to search and save locations to recieve personalized experiences. 
Most features require your website to be a local news outlet that is registered on <a href="https://www.bloom.li" title="Bloom" rel="nofollow ugc">Bloom</a>.

Bloom for Publishers

Geotag your posts to enable local search and other hyperlocal experiences for your readers.

Map My Posts vs Bloom for Publishers