Tana River County is county number 004 in the county codes. It is located in the Coast region, covers an area of 35,375.8 square kilometers (13,658.7 sq mi) and a population of 262,684. It borders Kitui County to the West, Garissa County to the North East, Isiolo County to the North, Lamu County to the South East and Kilifi County to the South. The county is divided into three sub counties;
The county as been under the leadership of Governor H.E Maj Rtd Dr. Dhadho Godhana Gaddae. Under his leadership the county has achieved the following through the department.