This is a list of regions occupied or annexed by the

Empire of Japan The also known as the Japanese Empire or Imperial Japan, was a historical nation-state and great power that existed from the Meiji Restoration in 1868 until the enactment of the post-World War II 1947 constitution and subsequent for ...

until 1945, the year of the

end of World War II in Asia World War II officially ended in Asia on September 2, 1945, with the surrender of Japan on the . Before that, the United States dropped two atomic bombs on Japan, and the Soviet Union declared war on Japan, causing Emperor Hirohito to announce ...

, after the surrender of Japan. Control over all territories except most of the Japanese mainland (

Hokkaido is Japan, Japan's Japanese archipelago, second largest island and comprises the largest and northernmost Prefectures of Japan, prefecture, making up its own List of regions of Japan, region. The Tsugaru Strait separates Hokkaidō from Honshu; th ...

Honshu , historically called , is the largest and most populous island of Japan. It is located south of Hokkaidō across the Tsugaru Strait, north of Shikoku across the Inland Sea, and northeast of Kyūshū across the Kanmon Straits. The island ...

Kyushu is the third-largest island of Japan's five main islands and the most southerly of the four largest islands ( i.e. excluding Okinawa). In the past, it has been known as , and . The historical regional name referred to Kyushu and its surroun ...

Shikoku is the smallest of the four main islands of Japan. It is long and between wide. It has a population of 3.8 million (, 3.1%). It is south of Honshu and northeast of Kyushu. Shikoku's ancient names include ''Iyo-no-futana-shima'' (), ...

, and some 6,000 small surrounding islands) was renounced by Japan in the

unconditional surrender An unconditional surrender is a surrender in which no guarantees are given to the surrendering party. It is often demanded with the threat of complete destruction, extermination or annihilation. In modern times, unconditional surrenders most oft ...

after

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...

and the

Treaty of San Francisco The , also called the , re-established peaceful relations between Japan and the Allied Powers on behalf of the United Nations by ending the legal state of war and providing for redress for hostile actions up to and including World War II. It w ...

. A number of territories occupied by the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., federal district, five ma ...

after 1945 were returned to Japan, but there are still a number of disputed territories between Japan and

Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eigh ...

(the

Kuril Islands dispute The Kuril Islands dispute, known as the Northern Territories dispute in Japan, is a territorial dispute between Japan and Russia over the ownership of the four southernmost Kuril Islands. The Kuril Islands are a chain of islands that stretc ...

South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia, constituting the southern part of the Korea, Korean Peninsula and sharing a Korean Demilitarized Zone, land border with North Korea. Its western border is formed ...

and

North Korea North Korea, officially the Democratic People's Republic of Korea (DPRK), is a country in East Asia. It constitutes the northern half of the Korean Peninsula and shares borders with China and Russia to the north, at the Yalu (Amnok) and ...

(the

Liancourt Rocks dispute The Liancourt Rocks dispute is a territorial dispute between South Korea and Japan. Both countries claim sovereignty over the Liancourt Rocks, a group of small islets in the Sea of Japan which are referred to as "Dokdo" () in Korean and in Jap ...

), the

People's Republic of China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's List of countries and dependencies by population, most populous country, with a Population of China, population exceeding 1.4 billion, sli ...

and

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northe ...

(the

Senkaku Islands dispute The Senkaku Islands dispute, or Diaoyu Islands dispute, is a territorial dispute over a group of uninhabited islands known as the Senkaku Islands in Japan, the Diaoyu Islands in the People's Republic of China (PRC), and Tiaoyutai Islands i ...

Pre-1945

Colonies

— 1869–1918 * Chishima Islands – 1875–1918 *

Ryukyu Islands The , also known as the or the , are a chain of Japanese islands that stretch southwest from Kyushu to Taiwan: the Ōsumi, Tokara, Amami, Okinawa, and Sakishima Islands (further divided into the Miyako and Yaeyama Islands), with Yona ...

– 1879–1918 *

Nanpō Islands The is a collective term for the groups of islands that are located to the south of the Japanese archipelago in Micronesia. They extend from the Izu Peninsula west of Tokyo Bay southward for about , to within of the Mariana Islands. The Nanpō ...

– 1891–1918 * Taiwan and the Penghu Islands – 1895–1945 *

Minamitorishima , also known as Marcus Island, is an isolated Japanese coral atoll in the northwestern Pacific Ocean, located some southeast of Tokyo and east of the closest Japanese island, South Iwo Jima of the Ogasawara Islands, and nearly on a straight line ...

– 1898–1918 *

Karafuto Karafuto Prefecture ( ja, 樺太庁, ''Karafuto-chō''; russian: Префектура Карафуто, Prefektura Karafuto), commonly known as South Sakhalin, was a prefecture of Japan located in Sakhalin from 1907 to 1949. Karafuto became te ...

– 1905–1943 * Kantō – 1905–1945 *

Chōsen Between 1910 and 1945, Korea was ruled as a part of the Empire of Japan. Joseon, Joseon Korea had come into the Japanese sphere of influence with the Japan–Korea Treaty of 1876; a complex coalition of the Meiji period, Meiji government, military ...

– 1910–1945 *

Kiautschou Bay Leased Territory The Kiautschou Bay Leased Territory was a German leased territory in Imperial and Early Republican China from 1898 to 1914. Covering an area of , it centered on Jiaozhou ("Kiautschou") Bay on the southern coast of the Shandong Peninsula (g ...

– 1914–1922 * Nan’yō 1919–1945

Occupied territories

* All ports and major towns in the

Primorsky Krai Primorsky Krai (russian: Приморский край, r=Primorsky kray, p=prʲɪˈmorskʲɪj kraj), informally known as Primorye (, ), is a federal subject (a krai) of Russia, located in the Far East region of the country and is a part of t ...

and

Siberia Siberia ( ; rus, Сибирь, r=Sibir', p=sʲɪˈbʲirʲ, a=Ru-Сибирь.ogg) is an extensive geographical region, constituting all of North Asia, from the Ural Mountains in the west to the Pacific Ocean in the east. It has been a part o ...

regions of

east of the city of Chita, from 1918 until gradually withdrawing in 1922.

World War II

Disclaimer: Not all areas were considered part of ''Imperial Japan'' but rather part of puppet states & sphere of influence, allies, included separately for demographic purposes. Sources: POPULSTAT Asiahttp://www.populstat.info/Asia/asia.html Populstat ASIA Oceaniahttp://www.populstat.info/Oceania/oceania.html Populstat OCEANIA Other occupied World War 2 islands: *

Andaman Islands The Andaman Islands () are an archipelago in the northeastern Indian Ocean about southwest off the coasts of Myanmar's Ayeyarwady Region. Together with the Nicobar Islands to their south, the Andamans serve as a maritime boundary between th ...

(India) – March 29, 1942 – September 9, 1945 *

Christmas Island Christmas Island, officially the Territory of Christmas Island, is an Australian external territory comprising the island of the same name. It is located in the Indian Ocean, around south of Java and Sumatra and around north-west of the ...

(Australia) – March 1942 – October 1945

Areas attacked but not conquered

Kohima Kohima (; Angami Naga: ''Kewhira'' ()), is the capital of the Northeastern Indian state of Nagaland. With a resident population of almost 100,000, it is the second largest city in the state. Originally known as ''Kewhira'', Kohima was founded i ...

and

Manipur Manipur () ( mni, Kangleipak) is a States and territories of India, state in Northeast India, with the city of Imphal as its capital. It is bounded by the Indian states of Nagaland to the north, Mizoram to the south and Assam to the west. It ...

(India) *

Dornod Dornod ( mn, Дорнод, ; "East") is the easternmost of the 21 aimags (provinces) of Mongolia. Its capital is Choibalsan. Population Halh are the ethnic majority of the Dornod aimag, but Buryat ethnic group is 22.8% of population total ( ...

(Khalkhin Gol, Mongolia) * Midway Atoll (United States)

Raided without immediate intent of occupation

* Air raids **

Pearl Harbor Pearl Harbor is an American lagoon harbor on the island of Oahu, Hawaii, west of Honolulu. It was often visited by the Naval fleet of the United States, before it was acquired from the Hawaiian Kingdom by the U.S. with the signing of the ...

(Hawaii, United States) **

Colombo Colombo ( ; si, කොළඹ, translit=Koḷam̆ba, ; ta, கொழும்பு, translit=Koḻumpu, ) is the executive and judicial capital and largest city of Sri Lanka by population. According to the Brookings Institution, Colombo me ...

and

Trincomalee Trincomalee (; ta, திருகோணமலை, translit=Tirukōṇamalai; si, ත්‍රිකුණාමළය, translit= Trikuṇāmaḷaya), also known as Gokanna and Gokarna, is the administrative headquarters of the Trincomalee Dis ...

(Sri Lanka) ** Air raids on Australia, including: *** Broome (Western Australia, Australia) ***

Darwin Darwin may refer to: Common meanings * Charles Darwin (1809–1882), English naturalist and writer, best known as the originator of the theory of biological evolution by natural selection * Darwin, Northern Territory, a territorial capital city i ...

(Northern Territory, Australia) ***

Townsville Townsville is a city on the north-eastern coast of Queensland, Australia. With a population of 180,820 as of June 2018, it is the largest settlement in North Queensland; it is unofficially considered its capital. Estimated resident population, 30 ...

(Queensland, Australia) **

Dutch Harbor Dutch Harbor is a harbor on Amaknak Island in Unalaska, Alaska. It was the location of the Battle of Dutch Harbor in June 1942, and was one of the few sites in the United States to be subjected to aerial bombardment by a foreign power during W ...

(Alaska, United States) **

Lookout Air Raids The Lookout Air Raids were minor but historic Japanese air raids that occurred in the mountains of Oregon, several miles outside Brookings during World War II. On September 9, 1942, a Japanese Yokosuka E14Y ''Glen'' floatplane, launched fr ...

(Oregon, United States) * Naval bombardment by submarine **

British Columbia British Columbia (commonly abbreviated as BC) is the westernmost Provinces and territories of Canada, province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include ...

(Canada) ** Ellwood ( Santa Barbara, California, United States) ** Fort Stevens (Oregon, United States) **

Newcastle Newcastle usually refers to: *Newcastle upon Tyne, a city and metropolitan borough in Tyne and Wear, England *Newcastle-under-Lyme, a town in Staffordshire, England *Newcastle, New South Wales, a metropolitan area in Australia, named after Newcastle ...

(New South Wales, Australia) ** Gregory (Western Australia, Australia) * Midget sub attack ** Sydney (New South Wales, Australia) ** Diego Suarez (Madagascar)

References

{{DEFAULTSORT:List Of Territories Occupied By Imperial Japan * Territories occupied by Imperial Japan Ter Japan in World War II New Imperialism Territories occupied

Pre-1945

Colonies

Occupied territories

World War II

Areas attacked but not conquered

Raided without immediate intent of occupation

See also

References