Tonga is a country in Pacific Ocean. It has 169 islands. Only 36 islands have inhabitants. The most important island is Tongatapu. Tupou IV is the king of Tonga and the Prime Minister is Siaosi Sovaleni. The capital of Tonga is Nuku'alofa, which is on Tongatapu.
The official languages of Tonga are Tongan and English. Tonga had 102,321 inhabitants in 2000. It is a very hot country. Tonga became independent in 1970.