Tuy Hòa is a coastal city located in the South Central Coast region of Vietnam. It served as the former capital of the defunct Phú Yên province and currently covers a total area of 106.82 square kilometres (41 square miles). The city has a population of 155,921 and is situated approximately midway between the cities of Nha Trang and Quy Nhơn.
The geography of Tuy Hòa is primarily formed from alluvial deposits from the downstream of the Đà Rằng River. Two prominent mountains, Chóp Chài Mountain and Nhạn Mountain, are located in the center of the city. A Champa Temple is situated on the summit of Nhạn Mountain.