Chattanooga ( CHAT-ə-NOO-gə) is a city in and the county seat of Hamilton County, Tennessee, United States. Located along the Tennessee River bordering Georgia, it afterward extends into Marion County upon its western end. 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 gone Knoxville. It anchors the Chattanooga metropolitan area, Tennessee’s fourth-largest metropolitan statistical area, as well as a larger three-state Place that includes Southeast Tennessee, Northwest Georgia, and Northeast Alabama.

Chattanooga was a crucial city during the American Civil War, due to the combined railroads that converge there. After the war, the railroads allowed for the city to increase into one of the Southeastern United States’ largest stifling industrial hubs. Today, major industry that drives the economy includes automotive, advanced manufacturing, food and drink production, healthcare, insurance, tourism, and assist office and corporate headquarters. Chattanooga remains a transit hub in the gift day, served by multipart Interstate highways and railroad lines. It is 118 miles (190 km) northwest of Atlanta, Georgia, 112 miles (180 km) southwest of Knoxville, Tennessee, 134 miles (216 km) southeast of Nashville, Tennessee, 102 miles (164 km) east-northeast of Huntsville, Alabama, and 147 miles (237 km) northeast of Birmingham, Alabama.

Divided by the Tennessee River, Chattanooga is at the transition amid the ridge-and-valley Appalachians and the Cumberland Plateau, both of which are share of the larger Appalachian Mountains. Its attributed nickname is the “Scenic City”, alluding to the surrounding mountains, ridges, and valleys. Unofficial nicknames include “River City”, “Chatt”, “Nooga”, “Chattown”, and “Gig City”, the latter a hint to its claims that it has the fastest internet foster in the Western Hemisphere.

Chattanooga is internationally known from the 1941 hit song “Chattanooga Choo Choo” by Glenn Miller and his orchestra. It is house to the University of Tennessee at Chattanooga (UTC) and Chattanooga State Community College.