Where is Zaks Diner? It is located at Zaks Diner 14 Byward Market Square, Ottawa, ON K1N 7A1, Canada. You can get directions for Zaks Diner, who is in the Diner category. You can find up-to-date information on 14 Byward Market Square, Ottawa, ON K1N 7A1, Canada Diner companies on our website.