渤海國
(?
809年～
812年)
大元瑜，是渤海國第七代君主，在位期間809年至812年，大嵩璘的之子，改元為永德。唐朝唐憲宗遣使元文成為大嵩璘吊喪，册封
大元瑜為渤海國王，812年
大元瑜去世，謚號定王。
Da-Yuan Yu, is the seventh generation of the Bohai State monarch, during the reign of 809 to 812, large Song Lin's son, reign title as Yongde. Sending Envoys Tang Emperor Xian Zong Yuan Wen Song Lin condolence to become big, canonized as the Bohai Sea King Tai Yuen Yu, Da-Yuan Yu 812 died, posthumous, Ting Wang.