Effortless Google Maps is a free wordpress plugin to add Google Maps on any page or post with a simple shortcode or widget.
Main features:
Google Maps V3, no API Key Required
Shortcodes with options make it easy to customize
Widgets support
To install Effortless Google Maps
Login to wordpress (wp-admin).
In your admin dashboard click plugins and select Add New.
Type Effortless Google Maps in the search field and click Search Plugins button.
Install Effortless Google Maps.
After the successfully Installation click the activate Plugin link to activate the plugin.
[OR]
Download Effortless Google Maps wordpress plugin. Download link
Unzip and upload it to your WordPress wp-content/plugins directory.
Login to wp-admin. In your admin dashboard click plugins and activate the Effortless Google Maps wordpress plugin