Huntsville is a big city situated in the Madison and Limestone counties of the US State of Alabama. Placed in northern Alabama's Appalachian region, it is the state's most populous city. The city holds significant cultural and historical importance to the entire nation. Nicknamed "Rocket City," Huntsville is well-known for the achievements of the country's rocket scientists and houses NASA's George C. Marshall Space Flight Center as well as the nation's Army Aviation and Missile Command. Having a population of 491,723 inhabitants, the Huntsville Metropolitan Area is the state's second-most populous metropolitan area.
