The is one of five active

Armies An army, ground force or land force is an armed force that fights primarily on land. In the broadest sense, it is the land-based military branch, service branch or armed service of a nation or country. It may also include aviation assets by ...

of the

Japan Ground Self-Defense Force The , , also referred to as the Japanese Army, is the land warfare branch of the Japan Self-Defense Forces. Created on July 1, 1954, it is the largest of the three service branches. New military guidelines, announced in December 2010, direct ...

headquartered at

Camp Asaka Camp Asaka is a base of the Japan Ground Self-Defense Force. It lies in four municipalities: Nerima, Nerima, Tokyo; Asaka, Saitama; Wakō, Saitama, Wako, Saitama; and Niiza, Saitama. It serves as the headquarters of the Eastern Army (Japan), Eas ...

in Asaka,

Saitama Prefecture is a Landlocked country, landlocked Prefectures of Japan, prefecture of Japan located in the Kantō region of Honshu. Saitama Prefecture has a population of 7,338,536 (January 1, 2020) and has a geographic area of 3,797 Square kilometre, km2 ( ...

. Its responsibility is the defense of the Kantō and the Northern half of the Chūbu region.

Organization

Japan Ground Self-Defence Forces Eastern Army OrBat

Eastern Army, at

in Asaka ** JGSDF 1st Division

1st Division, at Camp Nerima in Nerima, responsible for the defense of

Tokyo Tokyo, officially the Tokyo Metropolis, is the capital of Japan, capital and List of cities in Japan, most populous city in Japan. With a population of over 14 million in the city proper in 2023, it is List of largest cities, one of the most ...

and the Chiba, Ibaraki,

Kanagawa is a Prefectures of Japan, prefecture of Japan located in the Kantō region of Honshu. Kanagawa Prefecture is the List of Japanese prefectures by population, second-most populous prefecture of Japan at 9,221,129 (1 April 2022) and third-dens ...

, Saitama,

Shizuoka Shizuoka can refer to: * Shizuoka Prefecture, a Japanese prefecture * Shizuoka (city), the capital city of Shizuoka Prefecture * Shizuoka Airport * Shizuoka Domain, the name from 1868 to 1871 for Sunpu Domain was a feudal domain under the Tok ...

and Yamanashi prefectures. ** JGSDF 12th Brigade

12th Brigade (

Air Assault Air assault is the movement of ground-based military forces by vertical take-off and landing (VTOL) aircraft, such as helicopters, to seize and hold key terrain that has not been fully secured, and to directly engage enemy forces behind enemy l ...

), at Camp Soumagahara in

Shintō , also called Shintoism, is a religion originating in Japan. Classified as an East Asian religion by scholars of religion, it is often regarded by its practitioners as Japan's indigenous religion and as a nature religion. Scholars sometimes ...

, responsible for the defense of

Gunma is a landlocked prefecture of Japan located in the Kantō region of Honshu. Gunma Prefecture has a population of 1,937,626 (1 October 2019) and has a geographic area of . Gunma Prefecture borders Niigata Prefecture and Fukushima Prefecture to t ...

, Nagano, Niigata and Tochigi prefectures. ** 1st Engineer Brigade, at Camp Koga in

Koga Koga may refer to: Places Japan * Koga, Ibaraki (古河) * Koga, Fukuoka (古賀) * Koga Domain Elsewhere * Koga, a town in Tanzania * Koga (crater) on Mars Other uses * Koga (surname) * Kōga-ryū, a school of ninjutsu * Koga clan, Jap ...

*** 4th Engineer Group (Construction), at Camp Zama in

Sagamihara is a city in Kanagawa Prefecture, Japan. , the city has an estimated population of 723,470, with 334,812 households, and a population density of 1,220 persons per km2. The total area of the city is . Sagamihara is the third-most-populous city ...

*** 5th Engineer Group (Construction), at Camp Takada in Jōetsu *** 101st Equipment Company, at Camp Koga in Koga *** 301st Vehicle Company, at Camp Koga in Koga *** 306th Engineer Company, at Camp Matsumoto in Matsumoto *** 307th Engineer Company, at Camp Utsunomiya in

Utsunomiya is the capital and largest city of Tochigi Prefecture in the northern Kantō region of Japan. , the city had an estimated population of 513,584, and a population density of . The total area of the city is . Utsunomiya is famous for its ''gyoza'' ...

** Eastern Army Combined (Training) Brigade, at Camp Takeyama in

Yokosuka is a city in Kanagawa Prefecture, Japan. , the city has a population of 373,797, and a population density of . The total area is . Yokosuka is the 11th-most populous city in the Greater Tokyo Area, and the 12th in the Kantō region. The city i ...

*** 31st Infantry Regiment, at Camp Takeyama in Yokosuka *** 48th Infantry Regiment, at Camp Soumagahara in

*** 3rd Basic Training Battalion, at Camp Itazuma in

Gotemba is a city on the southeastern flank of Mount Fuji in Shizuoka Prefecture, Japan. , the city had an estimated population of 88,370 in 36,096 households, and a population density of 450 persons per km². The total area of the city is . Geography ...

*** 117th Training Battalion, at Camp Takeyama in Yokosuka *** Woman Army Corps Training Unit, at Camp Asaka in Asaka ** Eastern Army Field Artillery Regiment, at Camp Kita Fuji in Oshino *** 1st Artillery Battalion, at Camp Kita Fuji in Oshino *** 2nd Artillery Battalion, at Camp Utsunomiya in

　　 ** 2nd Anti-Aircraft Artillery Group, at Camp Matsudo in

Matsudo file:Matsudo City Hall 2.jpg, 260px, Matsudo City Hall is a Cities of Japan, city in Chiba Prefecture, Japan. , the city had an estimated population of 499,533 in 242,918 households and a population density of 8,138 persons per km2. The total are ...

, with Type 3 Chū-SAMs ** Eastern Army Aviation Group, at Camp Tachikawa in

Tachikawa file:Autumn colors in Showa memorial park.jpg, 250px, Showa Memorial Park is a Cities of Japan, city located in the western Tokyo, western portion of the Tokyo Metropolis, Japan. , the city had an estimated population of 184,383 in 93,428 househ ...

*** 4th Anti-tank Helicopter Battalion, at Camp Kisarazu in

Kisarazu is a Cities of Japan, city located in Chiba Prefecture, Japan. , the city had an estimated population of 136,023 in 63,431 households and a population density of 980 persons per km2. The total area of the city is . Geography Kisarazu is loca ...

*** Eastern Army Helicopter Battalion, at Camp Tachikawa in Tachikawa *** Eastern Army Meteorological Company, at Camp Tachikawa in Tachikawa *** Logistic Support Battalion, at Camp Tachikawa in Tachikawa ** Eastern Army Signal Group, at Camp Asaka in Asaka *** 105th Signal Battalion, at Camp Asaka in Asaka *** 105th Command Center Signal Battalion, at Camp Asaka in Asaka *** 304th Central Communication Company, at Camp Asaka in Asaka ** Eastern Army Logistic Support Troop, at Camp Asaka in Asaka ** Kantō Logistic Depot, at Camp Kasumigaura in

Tsuchiura is a city located in Ibaraki Prefecture, Japan. , the city had an estimated population in 2024 of 142,181 people in 66,629 households, and a population density of 1,157 persons per squate kilometre. The proportion of the population aged over 65 ...

** Eastern Army Finance Service, at Camp Asaka in Asaka ** Eastern Army Medical Service, at Camp Asaka in Asaka ** Eastern Army Command Post Training Support, at Camp Asaka in Asaka ** Eastern Army

Intelligence Intelligence has been defined in many ways: the capacity for abstraction, logic, understanding, self-awareness, learning, emotional knowledge, reasoning, planning, creativity, critical thinking, and problem-solving. It can be described as t ...

Analysis, at Camp Asaka in Asaka ** Eastern Army Band, at Camp Asaka in Asaka

References

External links

Eastern Army Homepage
''(Japanese)'' {{JGSDF Units Armies of the Japan Ground Self-Defense Force Military units and formations established in 1960