Google Places plugin is designed specifically for Business owners to help optimize their business listing, local Google seo , Places and earth.
(1)Extract the zip file and just drop the contents in the wp-content/plugins/ directory of your WordPress installation and then activate the Plugin from Plugins page.
(2) Go to Settings->Google Places plugin settings
(3) Fill in all the information on the form.
Thats It! You are done.
Check Domain.com/filename.kml
Check domain.com/georss.xml