Click here to see an example of a business listed on Google Places. You can put specific details including your hours of operation, photos, YouTube videos (ahem), and even coupons. And best of all this service is free! (so far...)
1 out of every 5 searches on Google is related to location. If you have a business with a location, Google your business name to make sure that no one else has claimed your business and/or to verify that the information on there is accurate (i.e. phone number, address).
To claim your business on Google, go to google.com/places and follow the steps.
This how to video below will guide you through the process (start the video at the 7:05 mark).