The Hon Yen site is 15km far from the center of Tuy Hoa city locating at Nhon Hoi hamlet, An Hoa commune, Tuy An district.
The site includes Yen islet, Hun islet, Ban Than, Ganh Yen, Choi islet linking together as the natural spot along the coastal province of Phu Yen.
The Hon Yen site has natural caves, special floral system and been the historical relic site.