Yānguó

Traditional: 燕國

Yan, a vassal state of Zhou in modern Hebei and Liaoning / north Hebei / the four Yan kingdoms of the Sixteen Kingdoms, namely: Former Yan [[前燕]] (337-370), Later Yan [[後燕|后燕]] (384-409), Southern Yan [[南燕]] (398-410), Northern Yan [[北燕]] (409-436)