- Tunica City is a small town located in Tunica County, Mississippi, United States. It is situated along the Mississippi River and is known for its numerous casinos and resorts. Tunica City is often referred to as the "Casino Capital of the South" due to its thriving gambling industry. The town offers a range of entertainment options, including live music, gaming, dining, and shopping. Additionally, it is home to the Tunica RiverPark, which features exhibits on the local wildlife and ecology of the Mississippi River.