Quduqian

Quduqian (Vietnamese: Khuất-đô-can; ) was the Chinese designation for an ancient kingdom, chiefdom, or a polity that perhaps located around Binh Dinh province, Central Vietnam, then became part of Champa Kingdoms.

According to the Book of Jin, Quduqian situated 600 li or 186 miles/300 kilometers south of Boliao (波遼國, Tam Kỳ). Quduqian sent an embassy to the Jin court in Luoyang in 286 AD.