Tau Vegan Restaurant, located at Erzherzog-Karl-Straße 38 in Vienna, specializes in Asian vegan dishes, including mock meats. Established in September 2020, it offers dine-in, delivery, and takeout options. The restaurant operates from Tuesday to Sunday, with hours from 11:00 to 14:30 and 17:30 to 22:00, and is closed on Mondays.