Using google maps is the best and easy way to integrate GIS information system to your web sites. Most of the social media application using google maps to their sites in current world. In here we are going to discuss how to integrate google maps in our web site and mark location from given set of locations. Simply here we are going to get location form mysql data base and populate those location on google map. step 01: First we need to obtain a google map API key form google. Click here to get api key. Step 02: Setup data base which included gis locations. in this database have included US locations and its GIS locations. SET SQL_MODE="NO_AUTO_VALUE_ON_ZERO"; -- -- Database: `gis` -- -- -------------------------------------------------------- -- -- Table structure for table `gis_locationinfor` -- CREATE TABLE IF NOT EXISTS `gis_locationinfor` ( `id` int(11) NOT NULL AUTO_INCREMENT, `region` varchar(100) NOT NULL, `country` varchar(100) NOT NULL, `states` varchar(100) NOT N