Britannica
Sources used in this answer
Which island is the largest and most densely populated in Tonga?
Created from Britannica articles
using AI.
AI can make mistakes, so verify using Britannica articles.
Tongatapu Island is the largest and most densely populated island in Tonga. Covering an area of approximately 100.6 square miles (260.5 square km), it serves as the nation's administrative center and is home to the capital city, Nukuʻalofa. Nearly three-fourths of the country's total population resides on this island.123