Starting today, Gap Inc. has announced that Google Wallet will be available in over 65 of their Bay Area stores including Old Navy, Banana Republic, Gap, Gap Outlet, and Banana Republic Factory Stores. To celebrate the roll out, Gap is offering 15% off your entire purchase when using Google Wallet in any of the participating stores. The promotion will be available via the Google Wallet app’s Offers section.  You can check out a full map of all the included stores here.

Over the last couple months Google has begun rolling the MasterCard-powered service out to new retailers, allowing customers to makes purchases using the Google Wallet app on a supported Android smartphone (as of yet just the Nexus S). In October Google added a bunch of notable new merchants including OfficeMax, Macy’s, Guess, Foot Locker, American Eagle Outfitters, Toys “R” Us, and Jamba Juice. Last month they also updated the app with an overhauled UI and in-app offersexpand full story