Maryville, city (1990 pop. 19,208), seat of Blount co., E Tenn.; settled around Fort Craig (built 1785), inc. as a town 1830, as a city 1927. With its twin city, Alcoa, it is an important center for the production of aluminum and aluminum products. Lumber, automotive parts, and ski boats are also produced, and corn and tobacco are grown. Limestone quarries are nearby. Sam Houston went to Maryville in 1807; nearby is the log schoolhouse where he taught. Maryville College is in the city, and Great Smoky Mountains National Park and Tuckaleechee Caverns are in the area.