Phu Yen is a coastal province in the South Central Coast of Vietnam. It is the easternmost province of Vietnam's mainland. Phu Yen has a quite diversified resources of land, forest, sea, rivers, lagoons, bays such as Cu Mong, Xuan Dai bays, O Loan, Vung Ro lagoons, Ba, Ky Lo, and Ban Thach rivers. Phu Yen owns Da Rang Bridge, the longest one in Central Vietnam Less