There is a free FLEXIcontent field for Google Maps:
http://code.google.com/p/flexigmap/downloads/list
Alternative you can
-- install a google maps plugin,
-- an then trigger it in a FLEXIcontent text field
We will give an example with google maps2 joomla plugin
http://extensions.joomla.org/extensions ... /maps/1147
1. Install googlemaps2 plugin and enable it
2. Create a text field
3. Allow googlemaps 2 plugin in field
4. On Openning tags
{mosmap address='
5. On closing tags
,yourcountry'}
it is for exemple (you can add more configuration with other tags, read plugin documentation)
6 after simply add your addresse in item
NOTE : in plugin you can allow direction etc ...