geographic location geographic location State of Texas A state located in the South Central United States. The Rio Grande, Red River and Sabine River form natural state borders, Oklahoma on the north, Louisiana and Arkansas on the east, and the Mexican states of Chihuahua, Coahuila, Nuevo Leon, and Tamaulipas to the south. GAZ GAZ:00002580 GNISID:01779801 INCITS38:48 ISO3166-2:US-TX TX West South Central Division