Linked from
The 9 pages that link to Colombo, each with the reason it gives.
Indian Ocean raidBroader topic: Japanese aircraft attacked its harbor and airfields on 5 April 1942.
Dehiwala-Mount LaviniaRelated: The municipality directly borders Colombo to the south.
MoratuwaRelated: Moratuwa lies south of Colombo within the same densely settled coastal corridor.
NegomboRelated: Colombo is Negombo’s nearest major city and the country’s principal urban hub.