IP2Map

This plugin add awesome functionalities to track your website visitors GeoIP location by country & city then show you how to display a map of all the 100 most recent visitors to your website or blog. It displays information such as where the visitors came from (city, region and country) and the time of their visits in a table form and graphical map. This plugin is absolutely simple, flexible and free. The geo location information is powered by IP2Location.

There is no registration, sign up, programming or database installation are required in order to use this plugin.