Soviet invasion of South Sakhalin

Soviet invasion of South Sakhalin
Part of the Soviet–Japanese War

Map of the Invasion of South Sakhalin
Date11–25 August 1945
(2 weeks)
Location
Result Soviet victory
Territorial
changes
Karafuto Prefecture is annexed by the Soviet Union and incorporated into Sakhalin Oblast.
Belligerents
 Soviet Union  Japan
Commanders and leaders
Maksim Purkayev
Leonty Cheremisov
Anatoly Petrakovsky
Ivan Baturov
Kiichiro Higuchi
Saburo Hagi
Junichiro Mineki
Units involved
16th Army
Pacific Fleet
Fifth Area Army
Strength
100,000 men 19,000 men (excluding 10,000 reservists)
Casualties and losses
56th Rifle Corps:
527+ killed
845+ wounded
Pacific Fleet:
89+ killed
Total killed:
616–1,191+ killed
Northern Army:
700–2,000 killed
18,202 captured
3,500–3,700 Japanese civilian casualties

The Soviet invasion of South Sakhalin, also known as the Battle of Sakhalin (Russian: Южно-Сахалинская операция, romanized: Yuzhno-Sakhalinskaya operatsiya; Japanese: 樺太の戦い, romanized: Karafuto no tatakai), was the Soviet invasion of the Japanese portion of Sakhalin Island also known as Karafuto Prefecture. The invasion was part of the Soviet–Japanese War, a minor campaign in the Asian Theatre during Second World War.