Tuy Hòa is a former coastal city and capital of Phú Yên province in the South Central Coast region of Vietnam. The city has a total area of 106.82 square kilometres or 41 square miles and a population of 155.921. The city is located approximately midway between Nha Trang and Quy Nhơn. The city is formulated mainly from alluvial of the downstream of Đà Rằng River. There are two mountains in the center of the city: Chóp Chài Mountain and Nhạn Mountain. There is a Champa Temple on the top of Nhạn Mountain.