Tuscaloosa is a city in and the seat of Tuscaloosa County in west central Alabama . Located on the Black Warrior River, it is the fifth-largest city in Alabama.Tuscaloosa is home to a variety of cultural sites and events reflective of its historical and modern role in Alabama and the Southeast in general. Many of these cultural events are sponsored by the University of Alabama. Numerous performing arts groups and facilities, historical sites, and museums dedicated to subjects as varying as American art and collegiate football dot the city. There are events that reflect upon the ethnic cultures of Tuscaloosa. The Tuscaloosa County Industrial Development Association sponsors the annual Weindorf German Festival celebrating German culture and the annual Sakura Japanese Festival.