Ordu Province is a province and metropolitan municipality of Turkey, located on the Black Sea coast. Its area is 5,914 km2, and its population is 763,190 (2022). Its adjacent provinces are Samsun to the northwest, Tokat to the southwest, Sivas to the south, and Giresun to the east. Its license-plate code is 52. The capital of the province is the city of Ordu.

Tokat Province is a province in northern Turkey. Its area is 10,042 km2, and its population is 596,454 (2022). Its adjacent provinces are Amasya to the northwest, Yozgat to the southwest, Sivas to the southeast, and Ordu to the northeast. Its capital is Tokat, which lies inland of the middle Black Sea region, 422 kilometers from Ankara.