Tonga quick facts
Use this reference table to find Tonga’s basic geographic information. Codes and area figures are presented as reference data; always verify changing statistics against their dated primary source.
- Capital
- Nuku'alofa
- Continent
- Oceania
- Region
- Polynesia
- ISO country codes
- TO / TON
- Area
- 747 km² (288 sq mi)
- Currency code(s)
- TOP
- Language code(s)
- EN, TO
- Internet domain
- .to
Where is Tonga?
Tonga is located in Oceania, within Polynesia. No land-bordering countries are listed for Tonga in this reference dataset.
Browse our Oceania country list to see how this country fits into its wider region.
What is the capital of Tonga?
The capital of Tonga is Nuku'alofa. Capital arrangements can be complex, so verify this detail if your assignment requires the legal or administrative distinction.
Flag of Tonga
This is the flag associated with Tonga in our country reference list. For historical flags and the meanings behind national symbols, consult official national sources; interpretations can change and should not be guessed from flag colours.
Countries bordering Tonga
No land-bordering countries are listed for Tonga in this reference dataset.
There are no neighbouring country links to display in this directory.
Frequently asked questions about Tonga
Which continent is Tonga in?
Tonga is grouped under Oceania in this atlas.
What is the ISO country code for Tonga?
The two-letter code is TO, and the three-letter code is TON.
What currency code is used in Tonga?
TOP Currency codes are not the same as exchange rates.
Sources and accuracy
Country names and ISO codes are based on the ISO 3166 reference list. Stable geographic fields originate from a bundled reference dataset and are reviewed before publication. This first edition deliberately does not supply current population figures or claim a verified interpretation of every national flag. For current statistics, see the World Bank or official national statistics offices. For UN status, see the United Nations.
Editorial edition: November 2026. This is an educational introduction, not an official government page.