Tongatapu 3
Located on the country's main island , Tongatapu , it encompasses parts of Kolofoʻou and Maʻufanga ( districts of the capital city Nukuʻalofa ) , and the entirety of the villages of Pahu , ʻAmaile , Fasi-moe-afi-ʻa-Tungi , Ngeleʻia , Mataika , and Halaleva . 
<triplet> Tongatapu <subj> Nukuʻalofa <obj> capital