The island of Sakhalin, pinned between Japan and Russia just north of Hokkaido and to the west of the Kamchatka Peninsula, has historically been the site of conflict between the two north Asian neighbours.

萨哈林岛位于北海道以北和堪察加半岛以西，夹在日本和俄罗斯之间，历史上一直是这两个北亚邻国之间的冲突地点。