What is the capital of Tonga?
The capital of Tonga is Nuku'alofa
Nuku'alofa is the capital city and seat of government of Tonga, a country in Polynesia. Tonga uses the ISO codes TO and TON, and its international dialling code is +676. The currency in use is the Tongan paʻanga (TOP).
For the full profile of Tonga, including its flag, currency, calling code, population and the countries it borders, see the Tonga country page. The country has an estimated population of 103,742 as of 2025.
Quick facts about Tonga
- Capital: Nuku'alofa
- Region: Polynesia
- Currency: Tongan paʻanga (TOP)
- Calling code: +676
- Flag emoji: 🇹🇴
Frequently asked questions
What is the capital of Tonga?
The capital of Tonga is Nuku'alofa.
Is Nuku'alofa the largest city in Tonga?
Nuku'alofa is the capital of Tonga and its seat of government. In many countries the capital is also the largest city, though not always, so the biggest city by population can differ.
What currency is used in Nuku'alofa?
Nuku'alofa, like the rest of Tonga, uses the Tongan paʻanga (TOP, symbol T$).
Capital and country data from open datasets. Full sources on the data page.