ATLAS · NATIONAL CAPITALS · PAPUA NEW GUINEA
Capital of Papua New Guinea
The capital of Papua New Guinea is Port Moresby. The largest, Port Moresby, has around 317,374 residents in the city proper — a mid-size capital. From Wikidata, snapshot 2026-06-23.
CAPITALPort Moresby
POPULATION317,374
NUMBER OF CAPITALS1
The capital
Port Moresby317,374 people
In context
Where Port Moresbysits on the world’s scale of capital sizes — from the micro-capitals of a few hundred to the mega-capitals of over ten million.
10M+
5–10M
1–5M
250k–1MPort Moresby is here
50–250k
<50k
Capitals of other countries
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