Chandpur Sadar Upazila
E725051
Chandpur Sadar Upazila is an administrative sub-district and the central hub of Chandpur District in Bangladesh, encompassing both urban and rural areas.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Chandpur Sadar Upazila canonical | 3 |
| Chandpur Municipality | 1 |
| Chandpur Sadar Upazila Parishad | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8309626 — 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: Chandpur Sadar Upazila Context triple: [Chandpur District, hasUpazila, Chandpur Sadar Upazila]
-
A.
Bhola Sadar Upazila
Bhola Sadar Upazila is an administrative sub-district and the central urban and administrative hub of Bhola District in southern Bangladesh.
-
B.
Subarnachar Upazila
Subarnachar Upazila is an administrative sub-district of Noakhali District in southeastern Bangladesh, located along the coastal and island areas of the Bay of Bengal.
-
C.
Chandpur District
Chandpur District is a riverine administrative region in eastern Bangladesh known for its strategic location at major river confluences and its prominence in fishing and agriculture.
-
D.
Nawabganj Upazila
Nawabganj Upazila is an administrative sub-district in central Bangladesh known for its rural landscape and proximity to the capital, Dhaka.
-
E.
Tazumuddin Upazila
Tazumuddin Upazila is an administrative sub-district in southern coastal Bangladesh, located within Bhola District of the Barisal Division.
- 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: Chandpur Sadar Upazila Target entity description: Chandpur Sadar Upazila is an administrative sub-district and the central hub of Chandpur District in Bangladesh, encompassing both urban and rural areas.
-
A.
Bhola Sadar Upazila
Bhola Sadar Upazila is an administrative sub-district and the central urban and administrative hub of Bhola District in southern Bangladesh.
-
B.
Subarnachar Upazila
Subarnachar Upazila is an administrative sub-district of Noakhali District in southeastern Bangladesh, located along the coastal and island areas of the Bay of Bengal.
-
C.
Chandpur District
Chandpur District is a riverine administrative region in eastern Bangladesh known for its strategic location at major river confluences and its prominence in fishing and agriculture.
-
D.
Nawabganj Upazila
Nawabganj Upazila is an administrative sub-district in central Bangladesh known for its rural landscape and proximity to the capital, Dhaka.
-
E.
Tazumuddin Upazila
Tazumuddin Upazila is an administrative sub-district in southern coastal Bangladesh, located within Bhola District of the Barisal Division.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf | upazila ⓘ |
| administrativeCentre |
Chandpur
ⓘ
linked to:
Chandpur city
|
| borderedBy |
Meghna River estuarine area
ⓘ
linked to:
Meghna estuary
|
| contains |
Chandpur Municipality
ⓘ
linked to:
Chandpur Sadar Upazila
rural areas of Chandpur Sadar ⓘ urban areas of Chandpur Sadar ⓘ |
| country | Bangladesh ⓘ |
| countrySubdivision | Bangladesh ⓘ |
| governedBy |
Upazila Parishad
ⓘ
linked to:
upazila parishad
|
| hasAdministrativeStatus | Sadar upazila of Chandpur District ⓘ |
| hasAdministrativeUnit | union parishad ⓘ |
| hasCapital |
Chandpur
ⓘ
linked to:
Chandpur city
|
| hasCentralTown |
Chandpur
ⓘ
linked to:
Chandpur city
|
| hasFunction |
administrative centre for Chandpur District
ⓘ
local government unit ⓘ |
| hasLocalGovernmentBody |
Chandpur Sadar Upazila Parishad
ⓘ
linked to:
Chandpur Sadar Upazila
|
| hasMunicipality | Chandpur Municipality ⓘ |
| hasPostalSystem |
Bangladesh Post Office
ⓘ
linked to:
Bangladesh Post
|
| hasSettlementType | upazila ⓘ |
| hasTelephoneCodeSystem | Bangladesh telephone numbering plan ⓘ |
| hasTransportConnection |
river transport on Meghna
ⓘ
road network of Chandpur District ⓘ |
| hasUrbanRuralComposition | mixed urban and rural ⓘ |
| languageUsed | Bengali ⓘ |
| locatedIn |
Ganges Delta region
ⓘ
linked to:
Ganges-Brahmaputra-Meghna Delta
|
| locatedInAdministrativeTerritorialEntity |
Chandpur District
ⓘ
Chandpur city ⓘ Chattogram Division ⓘ
linked to:
Chittagong Division
|
| locatedInContinent | Asia ⓘ |
| locatedInGeographicRegion | south-central Bangladesh ⓘ |
| locatedOnRiver |
Dakatia River
ⓘ
Meghna River ⓘ
linked to:
Meghna
|
| officialLanguage | Bengali ⓘ |
| partOf |
Bangladesh administrative division system
ⓘ
Chandpur District ⓘ |
| role | central hub of Chandpur District ⓘ |
| timeZone | Bangladesh Standard Time ⓘ |
| UTCoffset | +6 ⓘ |
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: Chandpur Sadar Upazila Description of subject: Chandpur Sadar Upazila is an administrative sub-district and the central hub of Chandpur District in Bangladesh, encompassing both urban and rural areas.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Chandpur Sadar Upazila
linked to: Chandpur Sadar Upazila