You may use the GMap - Google Maps module to include a google map in a module position. Or, you can simply use [gmap id="MAP_ID"] syntax to render your customized google map anywhere on your website.
GMap - Google Maps drawing features:
Draw a polyline Draw a circle Draw a rectangle Draw a polygon Add marker and info window for it with custom HTML
Select custom colors for each shape Edit drawings This extension uses Google Maps APIv3. This extension is updated on 2015 March and is written from the scratch. Feature requests are welcomed!