Colombo Metropolitan Region

E598217

metropolitan region

The Colombo Metropolitan Region is Sri Lanka’s largest urban agglomeration and economic hub, centered on the capital city of Colombo and its surrounding suburbs.

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All labels observed (3)

Label	Occurrences
Colombo metropolitan area	5
Colombo Metropolitan Region canonical	2
Colombo region	1

Statements (48)

Predicate	Object
instanceOf	metropolitan region ⓘ
capitalCityOfCountryLocatedIn	Colombo NERFINISHED ⓘ
centeredOn	Colombo NERFINISHED ⓘ
climate	tropical rainforest climate ⓘ
containsCity	Colombo NERFINISHED ⓘ Sri Jayawardenepura Kotte NERFINISHED ⓘ
containsDistrict	Colombo District NERFINISHED ⓘ Gampaha District NERFINISHED ⓘ Kalutara District NERFINISHED ⓘ
country	Sri Lanka ⓘ
hasCoastlineOn	Indian Ocean NERFINISHED ⓘ
hasCoreCity	Colombo NERFINISHED ⓘ
hasEconomicSector	finance ⓘ manufacturing ⓘ port-related logistics ⓘ services ⓘ tourism ⓘ
hasFunction	administrative hub ⓘ commercial hub ⓘ financial hub ⓘ transport hub ⓘ
hasLocalGovernmentType	municipal council ⓘ pradeshiya sabha NERFINISHED ⓘ urban council ⓘ
hasMajorAirport	Bandaranaike International Airport NERFINISHED ⓘ Ratmalana Airport NERFINISHED ⓘ
hasMajorHighway	Colombo–Katunayake Expressway NERFINISHED ⓘ Outer Circular Expressway NERFINISHED ⓘ Southern Expressway NERFINISHED ⓘ
hasMajorPort	Port of Colombo NERFINISHED ⓘ
hasPlanningAuthority	Urban Development Authority of Sri Lanka NERFINISHED ⓘ
hasRailHub	Colombo Fort railway station NERFINISHED ⓘ Maradana railway station NERFINISHED ⓘ
hasSuburbanArea	Gampaha NERFINISHED ⓘ Kaduwela NERFINISHED ⓘ Maharagama NERFINISHED ⓘ Moratuwa NERFINISHED ⓘ Negombo NERFINISHED ⓘ
isEconomicHubOf	Sri Lanka NERFINISHED ⓘ
isLargestUrbanAgglomerationIn	Sri Lanka NERFINISHED ⓘ
languageUsed	English ⓘ Sinhala ⓘ Tamil ⓘ
locatedInProvince	Western Province NERFINISHED ⓘ
locatedOnIsland	Sri Lanka NERFINISHED ⓘ
timeZone	Sri Lanka Standard Time NERFINISHED ⓘ
traversedBy	Kelani River NERFINISHED ⓘ
utcOffset	+5:30 ⓘ

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: Colombo Metropolitan Region
Description of subject: The Colombo Metropolitan Region is Sri Lanka’s largest urban agglomeration and economic hub, centered on the capital city of Colombo and its surrounding suburbs.