I'm not quite sure what you mean, but try google maps if it helps.
If, say, you wanted to add a map of london, go to maps.google.com, enter the location to search for and press enter.
To the top right of the map is a 'link' button, click on it and copy the "Paste HTML to embed in website" code.
No suprises, if you paste that code in your website a map will appear!
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