Giresun Province is a province of Turkey on the Black Sea coast. Its adjacent provinces are Trabzon to the east, Gümüşhane to the southeast, Erzincan to the south, Sivas to the southwest, and Ordu to the west. Its area is 6,972 km2, and its population is 450,862 (2022). The provincial capital is Giresun. Its license-plate code is 28.

Trabzon Province is a province and metropolitan municipality of Turkey on the Black Sea coast. Its area is 4,628 km2, and its population is 818,023 (2022). Located in a strategically important region, Trabzon is one of the oldest trade port cities in Anatolia. Neighbouring provinces are Giresun to the west, Gümüşhane to the southwest, Bayburt to the southeast and Rize to the east. Aziz Yıldırım was appointed Governor of the province in August 2023. The capital of the province is Trabzon.