World War II Pacific War
Asia–Pacific Battles
Locations where naval or ground combat took place in the Pacific during World War II. List by country or territory, partial list.

Alaska (Territory of Alaska)
Attu Island  May 11-29, 1943 U.S. Army vs. IJA
Kiska Island  August 15, 1943 U.S. Army / Canadian Army
Battle of the Pips July 26, 1943 USN

Brunei (Sultanate of Brunei)
Brunei  July 1, 1945 Australian Army landing Australian Army vs. IJA

Russia (Union of Soviet Socialist Republics)
Battle of the Komandorskies (Battle of Bearing Sea)  March 26-27, 1943 USN vs. IJN
Shumshu Island (Shimushu Island)  August 18-20, 1945  Soviet Union vs. IJN / IJA
Sakhalin Island (Karafuto)  August 11, 1945 Soviet Union vs. IJN / IJA
Lake Khasan (Lake Hasan)  July 29-August 11, 1938 Soviet Union vs. IJN / IJA

Malaysia
Battle of the Malacca Strait (Battle off Penang, Sinking of Haguro)  May 15, 1945 RN vs, IJN

Malaysian Borneo (East Malaysia)
Kuching  late December 1942 Japanese landing
Battle off Endau  January 26-27, 1942
Labuan Island  late December 1942 Japanese landing | July 1, 1945 Australian Army landing
Sandakan (Elopura)  January 19, 1942 Japanese landing | July 1-19, 1945 Australian Army landing

Indonesian Borneo
Battle of Balikpapan  January 22-24, 1942 USAAF/NEIAF/USN vs. IJN
Battle of Balikpapan  July 1, 1945 Australian Army vs. IJA
Tarakan  January 11, 1942 Japanese landing / May 1, 1945 Australian Army vs. IJA
Samarinda  March 19, 1942 KNIL vs. IJN

Bougainville Island
Battle of Empress Augusta Bay  November 2, 1943 USN vs. IJN
Battle of Koromokina Lagoon (Battle of the Koromokina Lagoon)  November 7-8, 1943 USMC vs. IJA
Battle of the Coconut Grove November 13-14, 1943 USMC vs. IJA
Battle of Cape St. George (Battle off Cape Saint George)  November 25, 1943 USN vs. IJN
Bonis  May 1944-September 1945  Australian Army vs. IJN / IJA

Indonesia (Netherlands East Indies)
Battle of Makassar Strait (Action North of Lombok Strait, Battle of the Flores Sea, Action off Madura Strait, Battle of Bali Sea)  Feb 4, 1942
Gaspar Strait Sortie February 15, 1942
Battle of Badung Strait (Bali Sea Battle)  February 19-20, 1942
Battle of the Java Sea  February 27-28, 1942 ABDA vs. IJN
Second Battle of the Java Sea (Battle of Bawean Island)  February 27, 1942
Battle of Sunda Strait  February 28, 1942 to March 1, 1942
Battle of Cape Waios  June 8, 1944 USAAF vs. IJN

Japan
Battle of Okinawa  April 1, 1945–June 22, 1945 USMC / U.S. Army vs. IJN/IJA
Battle of the East China Sea  April 7, 1945 USN vs. IJN

Singapore (Republic of Singapore)
Battle of Singapore  February 8-15, 1942 British Army / Commonwealth vs. IJA

Mariana Islands
Battle of the Philippine Sea (Great Marianas Turkey Shoot)  June 19-20, 1944 USN vs. IJN

Midway Atoll
Battle of Midway June 4-6, 1942 USN vs. IJN

Solomon Islands
Battle of Savo Island  August 8-9, 1942 USN vs. IJN
Battle of the Tenaru (Battle of the Ilu River/Alligator Creek) August 22, 1942 USMC vs. IJA
Battle of the Eastern Solomons (Second Battle of the Solomon Sea)  August 24-25, 1942
Battle of Cape Esperance (Second Battle of Savo Island, Sea Battle of Savo Island)  October 11-12, 1942
Battle of Bloody Ridge (Battle of Edson's Ridge)  September 12–14, 1942
Battle for Henderson Field  October 24-25, 1942
Battle of Santa Cruz Islands (Battle of the South Pacific)  October 26, 1942 USN vs. IJN
Naval Battle of Guadalcanal (Third Battle of the Solomon Sea)  November 12-13, 1942 USN vs. IJN
Second Naval Battle of Guadalcanal  November 14-15, 1942 USN vs. IJN
Battle of Tassafaronga (Battle of Lunga Point, Fourth Battle of Savo Island)  November 30, 1942 USN vs. IJN
Battle of Rennell Island  January 29-30, 1943 USN vs. IJN
Battle of Blackett Strait (Battle of Vila–Stanmore) March 6, 1943 USN vs. IJN
Battle of Kula Gulf July 6, 1943 USN vs. IJN
Battle of Kolombangara (Second Battle of Kula Gulf)  July 12-13, 1943 USN vs. IJN
Battle of Vella Gulf August 6-7, 1943 USN vs. IJN
Naval Battle of Vella Lavella (Naval Battle off Horanui) October 6, 1943 USN vs. IJN

Papua New Guinea (PNG)
Battle of the Coral Sea  May 4-8, 1942 USN vs. IJN
Battle of Isurava  August 26-31, 1942 Australian Army vs. IJA
Eora Creek Withdrawal  September 1-2, 1942 Australian Army vs. IJA
Battle of Eora Creek  October 22-29, 1942 Australian Army vs. IJA
Battle of the Bismarck Sea  March 2-4, 1943 USAAF/RAAF vs. IJN
Battle of Karavia Bay  February 17-18, 1944 USN vs. IJN/IJA
Battle of the Driniumor River July 9-August 4, 1944 US Army vs. IJA

Philippines (Republic of the Philippines)
Battle of Leyte Gulf  October 23-26, 1944
Battle of the Sibyuan Sea  October 24, 1944
Battle of Surigao Strait October 25, 1944
Battle off Samar  October 25, 1944
Batle off Cape Engano  October 25-26, 1944
Battle of Ormoc Bay  November 11, 1944–December 21, 1944