Foa is an island in Tonga. The Kingdom of Tonga is an Archipelago in the south Pacific Ocean comprising 169 islands 36 of them inhabited stretching over a distance of about 800 kilometres (500 miles It is located within the Haʻapai group in the centre of the country, to northeast of the national capital of Nukuʻalofa. Haapai is a group of Islands Islets Reefs and Shoals in the central part of the Kingdom of Tonga, with the Tongatapu group Nukualofa, population 22400 ( 1996) is the Capital, chief Port and largest city of Tonga.
Foa is linked to adjacent Lifuka Island by a causeway. Lifuka is an island in Tonga. It is located within the Ha{{okina}}apai Group in the centre of the country to northeast of the national capital of Nuku{{Okina}}alofa