The Chattanooga Choo-Choo in Chattanooga, Tennessee, is a former railroad station once owned and operated by the Southern Railway. Listed on the National Register of Historic Places, the station operated as a hotel from 1973 to 2023, and was a member of Historic Hotels of America, part of the National Trust for Historic Preservation. The Chattanooga Choo Choo is no longer a hotel. The two-floor hotel building, once called The MacArthur building, was renamed in 2023 to The Hotel Chalet by Trestle Studio, a Chicago based development group.

Chattanooga is a city in, and the county seat of, Hamilton County, Tennessee, United States. It is located along the Tennessee River, and borders Georgia to the south. With a population of 181,099 in 2020, it is Tennessee's fourth-largest city and one of the two principal cities of East Tennessee, along with Knoxville. It anchors the Chattanooga metropolitan area, Tennessee's fourth-largest metropolitan statistical area, as well as a larger three-state area that includes Southeast Tennessee, Northwest Georgia, and Northeast Alabama.