Phu Yen Province, a coastal province in central Vietnam, has both seacoast and also contains the mouth of the major Danang River. Its capital is Tuy Hoa.
On its northern border is Binh Dinh Province. To the south is Khanh Hoa Province, Dac Lac and Gia Lai. The South China Sea forms its east coast.
Tuy Hoa is
It is on National Highway 1, which intersects National Highway 25. In addition, it is on the main north-south rail line.