Visit Google maps and create your map with following steps: 1) Find a location 2) Click "Share" and make sure map is public on the web 3) Click folder icon to reveal "Embed on my site" link 4) Copy iframe code and paste it here.
Enter map height in pixels. Example: 200 or leave it empty to make map responsive.
Disable zooming to prevent map accidentally zoom when mouse scroll over it.

(Optional) Enter a unique class name.