图们江三角洲泛指图们江口附近的中国、俄罗斯、朝鲜三国的交界处,从朝鲜的清津市经中国的延吉市到俄罗斯的符拉迪沃斯托克(海参崴)这一个三角带。这一地带南北约160公里,东西约200公里,面积为1.5万平方公里,人口为100万左右。在这一带内有俄罗斯远东最大的港口城市、滨海边区首府符拉迪沃斯托克(海参崴)、朝鲜北 The Tumen River Delta generally refers to the junction of the three countries of China, Russia and North Korea near the mouth of the Tumen River, from the city of Chongjin in North Korea via the city of Yanji in China to Vladivostok in Russia. About 160 kilometers north and south of this zone, about 200 kilometers east and west, an area of ​​15,000 square kilometers, a population of about 1000000. Within this zone are the largest port cities in the Far East of Russia, Vladivostok, the capital of the Bordering Seaside, North Korea North