You can add the google maps in wordpress post or pages very easily. You need to just use following code in your functions.php file. Open your functions.php file from your wordpress theme folder and copy paste the following code in that file.

Add google maps in wordpress post

You can Add google maps in wordpress post or pages very easily. Open your functions.php file from your wordpress theme folder and copy our code in file. If you don’t have functions.php file in your wordpress theme folder then create functions.php file and put following code in that file.

//Google Maps adding through Shortcode
function add_googlemap_in_wordpresss_in_wordpress($atts, $content = null) {
 extract(shortcode_atts(array(
 "width" => '620',
 "height" => '430',
 "src" => ''
 ), $atts));
 return '<iframe width="'.$width.'" height="'.$height.'" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="'.$src.'&output=embed" >';
}
add_shortcode("googlemap_in_wordpress", "add_googlemap_in_wordpresss_in_wordpress");

How to use google maps in your wordpress posts and pages.

use the following code in your posts or pages.

[googlemap_in_wordpress width="280" height="280" src="[you_url]"]

You can change the height and width as per your requirement and for url you need to use following url
http://maps.google.com/
go to above url and choose your location and right side top you will find the link option. click on that link url and you will get the link of your location. Just copy paste that url. example as follows

[googlemap_in_wordpress width="280" height="280" src="[http://maps.google.com/maps?f=q&source=s_q&hl=en&geocode=&q=New+York,+NY,+United+States&sll=37.0625,-95.677068&sspn=47.215051,79.013672&ie=UTF8&hq=&hnear=New+York&ll=40.555548,-73.730621&spn=0.356317,0.617294&z=11&iwloc=A]"]

Above code put in your post or page. you can see the google maps in your page.

Here is list of some wordpress plugins which will help you to integrate the google map in wordpress.

how to display or embed the google map in wordpress