Tuscaloosa is a city in and the seat of Tuscaloosa County in west-central Alabama, United States, on the Black Warrior River where the Gulf Coastal and Piedmont plains meet. Alabama's fifth-largest city, it had an estimated population of 101,129 in 2019. It was known as Tuskaloosa until the early 20th century. It is also known as the Druid City because of the numerous water oaks planted in its downtown streets since the 1840s.
Incorporated on December 13, 1819, it was named after Tuskaloosa, the chief of a band of Muskogean-speaking people defeated by the forces of Spanish explorer Hernando de Soto in 1540 in the Battle of Mabila, in what is now central Alabama. It served as Alabama's capital city from 1826 to 1846.
Tuscaloosa is the regional center of industry, commerce, healthcare and education for the area of west-central Alabama known as West Alabama; and the principal city of the Tuscaloosa Metropolitan Statistical Area, which includes Tuscaloosa, Hale and Pickens counties.
It is the home of the University of Alabama, Stillman College and Shelton State Community College.