When searching for a city on google maps, google is that smart it displays a geometry line on the boundary off the municipal. See this link: http://g.co/maps/23dz5
Is there a place in the google maps api where I can download this geometry?
Geographic Information Systems Stack Exchange is a question and answer site for cartographers, geographers and GIS professionals. It only takes a minute to sign up.Sign up to join this community
actually you are searching city boundries of world. and you can get it anywhere when you find free data...there is lots of option but which country are you interested in?
For free shapefile you can use :
or if you want whole world :
The coordinate reference system is latitude/longitude and theWGS84 datum.
And don’t forget:
These data are freely available for academic and other non-commercial use. Redistribution, or commercial use, is not allowed without prior permission.