Chiyoda, Tokyo
E851287
Chiyoda, Tokyo is a central special ward of Tokyo that includes the Imperial Palace and serves as a major political and administrative hub of Japan.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Chiyoda, Tokyo canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9909088 — 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: Chiyoda, Tokyo Context triple: [Bunkyo, Tokyo, borders, Chiyoda, Tokyo]
-
A.
Itabashi, Tokyo
Itabashi, Tokyo is one of Tokyo's 23 special wards, located in the northwestern part of the metropolis and known as a primarily residential and commercial area.
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B.
Nagatachō, Tokyo
Nagatachō, Tokyo is a central district in Japan’s capital city that serves as the core of the national government, housing key institutions such as the National Diet and the Prime Minister’s office.
-
C.
Toshima, Tokyo
Toshima, Tokyo is a special ward in northwestern Tokyo known for its major commercial and entertainment hub Ikebukuro and its mix of residential, educational, and cultural institutions.
-
D.
Bunkyo, Tokyo
Bunkyo, Tokyo is a central special ward of Tokyo known for its educational institutions, cultural sites, and major sports venues such as the Tokyo Dome.
-
E.
Nakano, Tokyo
Nakano, Tokyo is a special ward in western Tokyo known for its dense residential neighborhoods, vibrant shopping streets, and pop culture hub around Nakano Broadway.
- 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: Chiyoda, Tokyo Target entity description: Chiyoda, Tokyo is a central special ward of Tokyo that includes the Imperial Palace and serves as a major political and administrative hub of Japan.
-
A.
Itabashi, Tokyo
Itabashi, Tokyo is one of Tokyo's 23 special wards, located in the northwestern part of the metropolis and known as a primarily residential and commercial area.
-
B.
Nagatachō, Tokyo
Nagatachō, Tokyo is a central district in Japan’s capital city that serves as the core of the national government, housing key institutions such as the National Diet and the Prime Minister’s office.
-
C.
Toshima, Tokyo
Toshima, Tokyo is a special ward in northwestern Tokyo known for its major commercial and entertainment hub Ikebukuro and its mix of residential, educational, and cultural institutions.
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D.
Bunkyo, Tokyo
Bunkyo, Tokyo is a central special ward of Tokyo known for its educational institutions, cultural sites, and major sports venues such as the Tokyo Dome.
-
E.
Nakano, Tokyo
Nakano, Tokyo is a special ward in western Tokyo known for its dense residential neighborhoods, vibrant shopping streets, and pop culture hub around Nakano Broadway.
- F. None of above. chosen
Statements (53)
| Predicate | Object |
|---|---|
| instanceOf |
administrative district
ⓘ
special ward of Tokyo ⓘ |
| borderedBy |
Bunkyō, Tokyo
NERFINISHED
ⓘ
Chōfu River (via Kanda River system vicinity) NERFINISHED ⓘ Chūō, Tokyo NERFINISHED ⓘ Minato, Tokyo NERFINISHED ⓘ Shinjuku, Tokyo NERFINISHED ⓘ Taitō, Tokyo NERFINISHED ⓘ |
| capitalOf | Japan (de facto, as political center) ⓘ |
| contains |
Akihabara
NERFINISHED
ⓘ
Chidorigafuchi NERFINISHED ⓘ Hibiya Park NERFINISHED ⓘ Imperial Palace NERFINISHED ⓘ Kanda area NERFINISHED ⓘ Marunouchi business district NERFINISHED ⓘ National Diet Building NERFINISHED ⓘ National Museum of Modern Art, Tokyo NERFINISHED ⓘ Nippon Budokan NERFINISHED ⓘ Otemachi business district NERFINISHED ⓘ Prime Minister’s Official Residence NERFINISHED ⓘ Supreme Court of Japan NERFINISHED ⓘ Tokyo Dome Hotel vicinity (edge of Bunkyo border) ⓘ Tokyo International Forum NERFINISHED ⓘ Tokyo Station NERFINISHED ⓘ Yasukuni Shrine NERFINISHED ⓘ Yurakucho NERFINISHED ⓘ |
| country | Japan ⓘ |
| governmentType | special ward government ⓘ |
| hasArea | about 11.66 square kilometres ⓘ |
| hasDistrict |
Hibiya
NERFINISHED
ⓘ
Iidabashi NERFINISHED ⓘ Jinbōchō NERFINISHED ⓘ Kanda NERFINISHED ⓘ Kasumigaseki NERFINISHED ⓘ Kōjimachi NERFINISHED ⓘ Marunouchi NERFINISHED ⓘ Nagatachō NERFINISHED ⓘ Otemachi NERFINISHED ⓘ Yurakucho NERFINISHED ⓘ |
| hasLandmark |
Akihabara Electric Town
NERFINISHED
ⓘ
Imperial Palace moat system NERFINISHED ⓘ Sakuradamon Gate NERFINISHED ⓘ Tokyo Station Marunouchi Building NERFINISHED ⓘ |
| hasPopulation | approximately 60,000 (around mid‑2020s) ⓘ |
| hasWardNumber | none (wards in Tokyo do not use simple numeric codes publicly) ⓘ |
| isAdministrativeCenterOf | Japan NERFINISHED ⓘ |
| isPoliticalCenterOf | Japan NERFINISHED ⓘ |
| locatedIn | Kantō region ⓘ |
| partOf |
Tokyo
NERFINISHED
ⓘ
Tokyo Metropolis NERFINISHED ⓘ |
| seatOf | Chiyoda City Office NERFINISHED ⓘ |
| timeZone | Japan Standard Time ⓘ |
| utcOffset | +09:00 ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Chiyoda, Tokyo Description of subject: Chiyoda, Tokyo is a central special ward of Tokyo that includes the Imperial Palace and serves as a major political and administrative hub of Japan.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.