tongatapu 9 is an electoral constituency for the legislative assembly in the kingdom of tonga. it was established for the november 2010 general election, when the multi-seat regional constituencies for people's representatives were replaced by single-seat constituencies, electing one representative via the first past the post electoral system. it is a rural constituency located in the south-east of the island of tongatapu, and covers the villages of tatakamotonga, holonga, ʻalakifonua, pelehake, toloa, fuaʻamotu, nakolo, haʻasini, hamula, lavengatonga, fatumu and haveluliku.