Location extensions highlight your business address and help you set yourself apart as a local business. They show a link to Google Maps with your phone number and the option to get directions to your location.
Decide how you'd like to enable location extensions:
If you have a business listing with Google Places, you'll need your username and password to connect it to your AdWords account. To create your listing for free on Google Places for business, go to www.google.com/placesforbusiness.
If you do not have a Google Places account, you can ...