The term SO. STATE is an acronym for three states in the United States: Alabama (ALA), North Carolina (NCAR), and Tennessee (TENN). Alabama is located in the southeastern region of the United States, and is known for its diverse landscape of mountains, forests, and beaches. North Carolina is located in the southeastern region of the United States, and is known for its temperate climate and abundance of outdoor activities. Tennessee is located in the southeastern region of the United States, and is known for its rolling hills, lush forests, and vibrant music scene.