Oceania is a vast geographical region covering Australia, New Zealand and thousands of Pacific islands. Its countries have different systems of government, reflecting their histories, geography and local needs. The United Nations Statistics Division provides a standard geographical classification for Oceania, although other organisations may use different regional groupings. [1]
Table of Oceania countries and their main administrative divisions
The table covers the 14 sovereign countries commonly classified as part of Oceania. It identifies their principal administrative units, rather than listing every division by name.
| No. | Country | Main administrative division |
|---|---|---|
| 1 | Australia | States and territories |
| 2 | Fiji | Divisions and provinces |
| 3 | Kiribati | Local government councils and island groups |
| 4 | Marshall Islands | Municipalities |
| 5 | Federated States of Micronesia | States |
| 6 | Nauru | Districts |
| 7 | New Zealand | Regions and territorial authorities |
| 8 | Palau | States |
| 9 | Papua New Guinea | Provinces, autonomous region and National Capital District |
| 10 | Samoa | Political districts |
| 11 | Solomon Islands | Provinces and Honiara City |
| 12 | Tonga | Island groups and local administrative units |
| 13 | Tuvalu | Island councils |
| 14 | Vanuatu | Provinces |
The terminology in the table requires some care. Island groups may be geographical rather than formal administrative units, and local councils do not necessarily have the same powers as states or provinces. [1, 2]
Administrative divisions by country
1. Australia
Australia has six states and two mainland territories. The six states are New South Wales, Victoria, Queensland, South Australia, Western Australia and Tasmania. The two mainland territories are the Australian Capital Territory and the Northern Territory.
Local government areas operate below the state and territory level. Australia also has other external territories with separate administrative arrangements. [2]
2. Fiji
Fiji has four administrative divisions: Central, Eastern, Northern and Western. These divisions contain provinces, which are important in traditional and local administration.
Rotuma is a dependency with a distinct administrative status. Fiji’s provincial and traditional structures should not be confused with its four main administrative divisions.
3. Kiribati
Kiribati is an island country spread across the Gilbert, Phoenix and Line island groups. These groups describe its geographical distribution, while local administration operates through island councils and other local government arrangements.
The country’s scattered geography makes local administration particularly important for communities separated by large distances across the Pacific. [1]
4. Marshall Islands
The Republic of the Marshall Islands uses municipalities to organise local administration across its inhabited atolls and islands. The country consists of two main island chains, the Ratak and Ralik chains, which are geographical groupings rather than equivalent to states or provinces.
5. Federated States of Micronesia
The Federated States of Micronesia is a federation of four states: Chuuk, Kosrae, Pohnpei and Yap. Each state has its own government within the national federal system.
The four states are the country’s main political and administrative units.
6. Nauru
Nauru is divided into 14 districts. These are local geographical and administrative units rather than states or provinces.
The island’s small size means its administrative structure differs from those of larger Pacific countries.
7. New Zealand
New Zealand uses a local government system based on regional councils and territorial authorities. Regional councils have responsibilities that include environmental management, while territorial authorities provide services such as roads, waste management and community facilities.
The territorial authorities include city councils, district councils, Auckland Council and Chatham Islands Council. Some authorities perform both regional and territorial functions. [3]
New Zealand also has special arrangements for certain offshore islands and territories. Its local government boundaries are not equivalent to a provincial system.
8. Palau
Palau is divided into 16 states. These states form the country’s main subnational administrative units.
The national government operates alongside state governments, with responsibilities established under the country’s constitutional and legal framework.
9. Papua New Guinea
Papua New Guinea has 22 province-level divisions: 20 provinces, the Autonomous Region of Bougainville and the National Capital District, which contains Port Moresby. Provinces are further divided into districts and local-level government areas. [4]
Bougainville has an autonomous status that distinguishes it from ordinary provinces. The four broad regions sometimes used to describe Papua New Guinea are not its primary administrative divisions.
10. Samoa
Samoa has 11 traditional political districts, known as itūmālō. These districts are significant in the country’s political, cultural and traditional organisation.
Local communities also have village-based structures that play an important role in Samoan society.
11. Solomon Islands
The Solomon Islands has nine provinces and Honiara City, which has a distinct administrative status. The provinces are Central, Choiseul, Guadalcanal, Isabel, Makira-Ulawa, Malaita, Rennell and Bellona, Temotu and Western.
Provincial government helps organise administration across the country’s many islands.
12. Tonga
Tonga is an archipelago organised geographically into five main island groups: Tongatapu, Vava’u, Ha’apai, ‘Eua and the Niuas. These groups are useful for describing the country’s geography, but they should not automatically be treated as equivalent to provincial governments.
Local administration also operates through districts and villages, alongside national government structures.
13. Tuvalu
Tuvalu has nine island councils associated with its eight inhabited atolls and islands, with the island of Funafuti containing several distinct communities. Local councils are important for community administration and services.
Tuvalu’s small population and dispersed islands mean local administration is organised differently from that of larger countries.
14. Vanuatu
Vanuatu has six provinces: Malampa, Penama, Sanma, Shefa, Tafea and Torba. Each province covers a group of islands and has a provincial government responsible for local administration and development. [5]
Municipal councils also operate in designated urban areas, including Port Vila and Luganville.
Are all Pacific islands independent countries?
No. Oceania includes sovereign countries as well as territories, dependencies and self-governing states in free association with another country. The United Nations M49 classification lists countries and areas for statistical purposes but does not determine their political or constitutional status. [1]
Examples of other areas in the region include:
| Territory or area | Political status |
|---|---|
| American Samoa | Unincorporated territory of the United States |
| Cook Islands | Self-governing country in free association with New Zealand |
| French Polynesia | French overseas collectivity |
| Guam | Unincorporated territory of the United States |
| New Caledonia | French sui generis collectivity |
| Niue | Self-governing country in free association with New Zealand |
| Norfolk Island | External territory of Australia |
| Northern Mariana Islands | Commonwealth in political union with the United States |
| Tokelau | Non-self-governing territory administered by New Zealand |
| Wallis and Futuna | French overseas collectivity |
These places have different constitutional arrangements. Cook Islands and Niue, for example, are self-governing in free association with New Zealand and should not be described in the same way as ordinary overseas territories.
Myths and facts about Oceania’s administrative divisions
Myth: Oceania is made up of Australia and New Zealand alone.
Fact: Oceania also includes Melanesia, Micronesia and Polynesia, with numerous island countries and territories. The precise regional grouping depends on the geographical classification used. [1]
Myth: Every Pacific country has provinces or states.
Fact: The administrative structures vary. The Federated States of Micronesia has states, Vanuatu has provinces, Nauru has districts, and Tuvalu uses island councils.
Myth: The three island groups of Kiribati are its three administrative provinces.
Fact: The Gilbert, Phoenix and Line groups are geographical groupings. Local administration operates through councils and other government arrangements.
Myth: Every island territory in Oceania is an independent country.
Fact: Some are sovereign states, while others are territories or self-governing areas with special constitutional relationships. Their status should be checked individually rather than inferred from their location. [1]
Why administrative divisions matter
Administrative divisions help governments organise public services, manage local infrastructure, plan development and collect statistics. In island countries, they can also help coordinate services across communities separated by large distances.
The exact responsibilities of a province, state, municipality or island council depend on national law. For accurate research, readers should consult the relevant country’s official government sources and check when the information was last updated.
Conclusion
Oceania’s administrative systems reflect the region’s geographical diversity. Australia has states and territories, the Federated States of Micronesia has four states, Papua New Guinea has provinces and an autonomous region, and several smaller island countries rely on local councils and districts.
The table provides a convenient overview of the 14 sovereign countries commonly included in Oceania. For legal, academic or official use, national government records should be consulted to confirm current boundaries, names and responsibilities.
Readers are welcome to contact the publisher with corrections or updated official information for review.
References
- [1] Standard country or area codes for statistical use (M49), United Nations Statistics Division
- [2] Australian states and territories, Australian Government
- [3] About local government in New Zealand, Local Government Commission
- [4] Provincial and District Finance Office, Department of Finance, Papua New Guinea
- [5] About Vanuatu, Government of Vanuatu

