Where is Sakhalin Island? Sakhalin explained.

1, Sakhalin Island, formerly known as Kuye, Kuwu, Gudao and Heilongyu in China, is called "Sakhalin Island" in Russian and is the largest island in the Russian Federation.

2. Sakhalin Island originally belonged to China and was ruled directly or indirectly by several dynasties in China in history. Later, due to the war, the Qing government ceded Sakhalin Island to Russia and Japan.

3. The earliest inhabitants of Sakhalin Island are Neva, Ewenki and Ainu. By 20 10, the vast majority of residents on the island are Russian immigrants.