渤海政权是公元７世纪末至１０世纪上半叶间（６９８～９２６年）由族的粟末在我国东北地区为主的广大区域内建立的地方政权，其全盛时期疆域囊括今东北大部、朝鲜半岛北部及俄罗斯滨海地区南半部。在这广大的区域内，留下了极其丰富的渤海时期的历史遗迹。城址的发现就是颇为? The Bohai regime was a local government established in the vast region dominated by the northeastern region of China from the late 7th century to the first half of the 10th century (698 ~ 926). Its heyday encompassed most of the northeastern part of China, The northern part of the peninsula and the southern half of the Russian Riviera. In this vast area, the extremely rich historical relics of the Bohai period have been left behind. The discovery of the city site is quite?