珲春市地处中、朝、俄三国交界地带,位于东北亚地区的几何中心,素有“三国相连、五国相通”之称。珲春市有三个公路口岸和一个铁路口岸与俄、朝相连,中、俄、朝、韩、日五国水路相通,是我国直接进入日本海的唯一通道,也是我国从水路到俄罗斯、朝鲜东海岸、日本西海岸乃至北美、北欧的最近点。以珲春为中心,半径 Hunchun is located in the junction of China, North Korea and Russia. It is located in the geometric center of Northeast Asia and is known as “the connection between the Three Kingdoms and the Five Kingdoms”. Hunchun has three road ports and a railway port connected with Russia and North Korea. The waterways connecting China, Russia, North Korea, South Korea and Japan are the only channels through which China can directly enter the Sea of ​​Japan. It is also the only route through which China goes from the waterway to Russia and the east coast of North Korea , The west coast of Japan and North America, North America’s closest point. Hunchun as the center, the radius