Question: In what region can the country where Hule fortress is located be found?

full_context: Document 1: Royal Palace, Tonga: The Royal Palace of the Kingdom of Tonga is located in the northwest of the capital, Nukualofa, close to the Pacific Ocean. The wooden Palace, which was built in 1867, is the official residence of the King of Tonga. Although the Palace is not open to the public, it is easily visible from the waterfront.
Document 2: Assistant Secretary of State for East Asian and Pacific Affairs: The Assistant Secretary of State for East Asian and Pacific Affairs is the head of the Bureau of East Asian and Pacific Affairs within the United States Department of State. The Assistant Secretary guides operation of the U.S. diplomatic establishment in the countries of the Asia - Pacific region and advises the Secretary of State and the Under Secretary for Political Affairs on matters relating to the area. The last permanent Assistant Secretary was Daniel R. Russel, who left on March 8, 2017. Susan Thornton is now Acting Assistant Secretary.
Document 3: Tonga: Tonga's foreign policy has been described by Matangi Tonga as "Look East"—specifically, as establishing closer diplomatic and economic relations with Asia (which actually lies to the north-west of the Pacific kingdom). Tonga retains cordial relations with the United States. Although it remains on good terms with the United Kingdom, the two countries do not maintain particularly close relations, and the United Kingdom closed its High Commission in Tonga in 2006. Tonga's relations with Oceania's regional powers, Australia and New Zealand, are good.
Document 4: Kotu Island: Kotu is an island in Lulunga district, in the Ha'apai islands of Tonga. As of 1992, there was one village on the island with a population of approximately 200 people.
Document 5: Fale, Tuvalu: Fale is an islet of Nukufetau, Tuvalu. The traditional history of Nukufetau recalls that in order to protect the atoll from raiders from Tonga, Lagitupu and Laupapa, two aliki (chiefs) protected Fale. Lagitupu and Laupapa created a trap at a place still called Tututekolo, which was beside a path which led to the beach, where they would surprise the raiders and spear them or split their skulls with an axe made from shells.
Document 6: Hule fortress: Hule Fortress was a stronghold in Nukunuku, Tongatapu, Country of Tonga, during 1826. Nukunuku is a village of Noble Tu'ivakano(Uhi) and his community and it is located in Tongatapu (main island of Tonga) in the west side of the peninsula.(Hihifo)
Document 7: Tuvalu: Tuvalu participates in the work of Secretariat of the Pacific Community, or SPC (sometimes Pacific Community) and is a member of the Pacific Islands Forum, the Commonwealth of Nations and the United Nations. Tuvalu has maintained a mission at the United Nations in New York City since 2000. Tuvalu is a member of the World Bank and the Asian Development Bank. On 18 February 2016 Tuvalu signed the Pacific Islands Development Forum Charter and formally joined the Pacific Islands Development Forum (PIDF).
Document 8: Kiribati: Kiribati maintains close relations with its Pacific neighbours, Australia, New Zealand, Republic of China (Taiwan), Japan and Fiji. The first three of these provide the majority of the country's foreign aid. Taiwan and Japan also have specified-period licences to fish in Kiribati's waters. There are four resident diplomatic missions headquartered in Kiribati: the Embassies of the Republic of China (Taiwan) and Cuba and the High Commissions of Australia and New Zealand.
Document 9: Kolonga: Kolonga is a village and the most populated settlement located on the northeast coast of Tongatapu in the Hahake District, Kingdom of Tonga. Kolonga is a hereditary estate of Hon. Lord Nuku.
Document 10: Pacific War: The official policy of the U.S. Government is that Thailand was not an ally of the Axis, and that the United States was not at war with Thailand. The policy of the U.S. Government ever since 1945 has been to treat Thailand not as a former enemy, but rather as a country which had been forced into certain actions by Japanese blackmail, before being occupied by Japanese troops. Thailand has been treated by the United States in the same way as such other Axis-occupied countries as Belgium, Czechoslovakia, Denmark, Greece, Norway, Poland, and the Netherlands.
Document 11: China–United States relations: Relations with China began under George Washington, leading to the 1845 Treaty of Wangxia. The United States was allied to the Republic of China during the Pacific War, but broke off relations with China for 25 years when the communist government took over, until Richard Nixon's 1972 visit to China. Since Nixon, every successive U.S. president has toured China. Relations between the two countries have generally been stable with some periods of open conflict, most notably during the Korean War and the Vietnam War. Currently, China and the United States have mutual political, economic, and security interests, including but not limited to the proliferation of nuclear weapons, although there are unresolved concerns relating to the role of democracy in the government in China and human rights in both respective countries. Relations with China have strained under Barack Obama's Asia pivot strategy, ongoing maritime disputes in the South China Sea, and a trade war in 2018.
Document 12: Oceania: Biogeographically, as a synonym for the Australasian ecozone and the Pacific ecozone (Melanesia, Polynesia, and Micronesia), with New Zealand forming the south - western corner of the Polynesian Triangle. To note, New Zealand may also be considered part of Australasia, despite being traditionally part of Polynesia. As an ecozone, Oceania includes all of Micronesia, Fiji, and all of Polynesia except New Zealand. New Zealand, along with New Guinea and nearby islands, part of the Philippine islands, Australia, the Solomon Islands, Vanuatu, and New Caledonia, constitute the separate Australasian ecozone. In the geopolitical conception used by the United Nations, International Olympic Committee, and many atlases, Oceania includes Australia and the nations of the Pacific from Papua New Guinea east, but not Indonesian New Guinea.
Document 13: Motulalo: Motulalo is the largest islet of Nukufetau, Tuvalu. The traditional history of Nukufetau recalls that in order to protect the atoll from raiders from Tonga, Tauasa, an aliki (chief), was given Motulalo. Tauasa would pull up coconut trees and throw them at the raiders.
Document 14: Holonga (Tongatapu): Holonga is a small village in the eastern (Hahake) district of Tongatapu in the kingdom of Tonga. It lies between the villages of Malapo and Alakifonua.
Document 15: Near East: The Foreign and Commonwealth Office of United Kingdom recognises a Middle East and North Africa region, but not a Near East. Their original Middle East consumed the Near East as far as the Red Sea, ceded India to the Asia and Oceania region, and went into partnership with North Africa as far as the Atlantic.
ground_truth: Oceania
sub_queries: Hule fortress >> country Answer: Tonga
On what continent can Tonga be found? Answer: Oceania