Legality of Cannabis by U.S. Jurisdiction Island in Tonga Fotuhaʻa is an island in Lifuka district, in the Haʻapai islands of Tonga. As of 2020, the population is estimated at approximately 100-150 and an area of 1.14 km2 (0.44 sq mi).[1] See also[edit] List of cities in Tonga References[edit] ^ GeoHive Tonga 19°48′43″S 174°43′08″W / 19.812°S 174.719°W / -19.812; -174.719 (Fotuhaʻa)