Prime Minister's Office of Japan

E102945

executive branch building government office

The Prime Minister's Office of Japan is the central executive government building in Tokyo that houses the offices and support staff of Japan’s prime minister and cabinet leadership.

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All labels observed (5)

Label	Occurrences
Prime Minister’s Office of Japan	6
Office of the Prime Minister of Japan	4
Prime Minister’s Office, Tokyo	2
内閣総理大臣官邸	2
Prime Minister's Office of Japan canonical	1

How this entity was disambiguated

This entity first appeared as the object of triple T788337 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Prime Minister's Office of Japan
Context triple: [Naikaku Sōri Daijin, associatedWithBuilding, Prime Minister's Office of Japan]

A. Cabinet Office of Japan
The Cabinet Office of Japan is a central government body that supports the Prime Minister and Cabinet in coordinating national policy, crisis management, and key administrative functions.
B. Government of Japan
The Government of Japan is the central governing authority of Japan, responsible for national administration, legislation, and policy-making under a constitutional monarchy.
C. Ministry of Foreign Affairs of Japan
The Ministry of Foreign Affairs of Japan is the government ministry responsible for managing Japan’s diplomatic relations, foreign policy, and international cooperation.
D. Prime Minister's Office
The Prime Minister's Office is the central executive office that supports and advises the Prime Minister in leading and coordinating the United Kingdom government.
E. Cabinet of Japan
The Cabinet of Japan is the country’s chief executive body, composed of the Prime Minister and other ministers who direct national policy and administer the government.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Prime Minister's Office of Japan
Target entity description: The Prime Minister's Office of Japan is the central executive government building in Tokyo that houses the offices and support staff of Japan’s prime minister and cabinet leadership.

A. Cabinet Office of Japan
The Cabinet Office of Japan is a central government body that supports the Prime Minister and Cabinet in coordinating national policy, crisis management, and key administrative functions.
B. Government of Japan
The Government of Japan is the central governing authority of Japan, responsible for national administration, legislation, and policy-making under a constitutional monarchy.
C. Ministry of Foreign Affairs of Japan
The Ministry of Foreign Affairs of Japan is the government ministry responsible for managing Japan’s diplomatic relations, foreign policy, and international cooperation.
D. Prime Minister's Office
The Prime Minister's Office is the central executive office that supports and advises the Prime Minister in leading and coordinating the United Kingdom government.
E. Cabinet of Japan
The Cabinet of Japan is the country’s chief executive body, composed of the Prime Minister and other ministers who direct national policy and administer the government.
F. None of above. chosen

Statements (48)

Predicate	Object
instanceOf	executive branch building ⓘ government office ⓘ
adjacentTo	National Diet Building ⓘ Prime Minister's Official Residence ⓘ linked to: Official Residence of the Prime Minister of Japan
alsoKnownAs	Kantei ⓘ
architecturalStyle	modern architecture ⓘ
coordinates	35.674°N 139.744°E ⓘ
country	Japan ⓘ
function	hosts cabinet meetings and press conferences ⓘ houses support staff for the Prime Minister of Japan ⓘ houses the offices of the Prime Minister of Japan ⓘ serves as crisis management center for the Japanese government ⓘ serves as workplace for cabinet leadership ⓘ
governingBody	Cabinet of Japan ⓘ
hasEmergencyFacilities	underground crisis management facilities ⓘ
hasPart	cabinet meeting rooms ⓘ crisis management center ⓘ offices of cabinet secretaries ⓘ offices of the Prime Minister's aides ⓘ press conference room ⓘ
hasSecurity	guarded by the Tokyo Metropolitan Police Department ⓘ
hasWebsite	https://www.kantei.go.jp/ ⓘ
inception	2002 ⓘ
jurisdiction	national government of Japan ⓘ linked to: Government of Japan
languageOfWork	Japanese ⓘ
locatedIn	Chiyoda, Tokyo ⓘ linked to: Chiyoda, Tokyo, Japan Nagatachō ⓘ linked to: Nagatachō district Tokyo ⓘ
nativeName	内閣総理大臣官邸 ⓘ linked to: Prime Minister's Office of Japan
nativeNameLanguage	ja ⓘ
nearby	Akasaka Palace ⓘ Kasumigaseki government district ⓘ linked to: Kasumigaseki Supreme Court of Japan ⓘ
numberOfFloors	1 basement level ⓘ 5 above ground ⓘ
occupant	Cabinet Secretariat of Japan ⓘ Prime Minister of Japan ⓘ staff of the Prime Minister of Japan ⓘ
operatedBy	Cabinet of Japan ⓘ
ownedBy	Government of Japan ⓘ
partOf	Government of Japan ⓘ
replaced	former Prime Minister's Office building ⓘ
streetAddress	2-3-1 Nagatachō, Chiyoda-ku, Tokyo ⓘ
symbolOf	executive authority of Japan ⓘ
usedFor	coordination of cabinet policies ⓘ executive decision-making ⓘ media briefings by the Prime Minister ⓘ national security coordination ⓘ

How these facts were elicited