The Wauwatosa Chamber of Commerce will host its 10 Days in Tosa - 2018. The Chamber of Commerce has partnered with a number of well-known chamber member restaurants to encourage you to try their fare. 10 Days in Tosa is eight years old, and the enthusiasm and excitement continues. We understand how much you enjoy the chance to go out with family and friends, and our premier restaurants want to make your visit memorable. For more information, visit the Wauwatosa Chamber of Commerce's website at http://tosachamber.org.