In this project a wordpress plugin has been developed, in particular, the plugin has to insert Google maps in a post or page. The plugin read from the database the list of shops and add a new location pin for each shop. The plugin has a back-end page to manage all the information. And you can find the shop near to you using the research option.
In the following image, there is the plugin
You can find you location, in this example Bolzano was
In the end, there is the back-end, where you can see the current location, and add if you want a new one.
You can download the code here.