Question: Information: - Geography. Farallon de Medinilla is roughly wedge-shaped, with a length of and a width of to the south, expanding to in the north, for an area of . At its narrowest location, the island is only wide. The highest elevation on the island is . - Anatahan is an island in the Northern Mariana Islands in the Pacific Ocean, and has one of the most active volcanoes of the archipelago. Formerly inhabited, the island currently does not have any population due to the always-present danger of volcanic eruptions. Anatahan is located northwest of Farallon de Medinilla and north of Saipan. - Northern Islands Municipality is one of the four main political divisions of the Commonwealth of the Northern Mariana Islands . It consists of a long string of the northernmost islands of the Northern Marianas , including ( from north to south ) Farallon de Pajaros , the Maug Islands , Asuncion , Agrihan , Pagan , Alamagan , Guguan , Zealandia Bank , Sarigan , Anatahan , and Farallon de Medinilla . The total land area of the islands , including offshore islets and rocks , is 154.755 km ( 59.75 sq mi ) . - Sarigan is an uninhabited volcanic island in the Pacific Ocean. It is part of the Northern Mariana Islands, a U.S. territory. Sarigan is located northeast of Anatahan island, south of Guguan and north of Saipan, the largest island in the Northern Marianas. - Zealandia Bank, also known as Farallon de Torres or Piedras de Torres in Spanish, or Papaungan in Chamorro consists of two rocky pinnacles about 1.5 kilometers apart, in the Northern Mariana Islands in the Pacific Ocean. One reaches a height of approximately at low tide; the other does not normally broach the surface. They are located north-northeast from Sarigan, in between Sarigan and Guguan, but because of their small size, they are not listed in most maps. Zealandia Bank is one of 18 units within the Mariana Arc of Fire National Wildlife Refuge, (a.k.a. Volcanic Unit) of the Marianas Trench Marine National Monument. - Farallon de Pajaros (from Spanish "Farallon de los pajaros", meaning "Birds' Rock"), also known as Urracas (from Spanish "Urracas", meaning "Magpies"), is a small (2.3km) uninhabited volcanic island, the northernmost island in the Northern Mariana Islands chain. - A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. - Agrihan (also spelled Agrigan) is an island in the Northern Mariana Islands in the Pacific Ocean. The island is currently uninhabited. Agrihan is located to the north of Pagan. - The Northern Mariana Islands, officially the Commonwealth of the Northern Mariana Islands (CNMI Carolinian: "Commonwealth Teel Faluw kka Efang llol Marianas"), is an insular area and commonwealth of the United States consisting of fifteen islands in the northwestern Pacific Ocean. The CNMI includes all islands in the Mariana Archipelago except Guam, which is the southernmost island of the chain and a separate U.S. territory. - "'Alamagan" is an island in the Northern Mariana Islands in the Pacific Ocean. The island is currently uninhabited . Alamagan is located north from Guguan and north from Saipan, and is south from Pagan. - The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south and is bounded by Asia and Australia in the west and the Americas in the east. - Guguan is an island in the Northern Mariana Islands in the Pacific Ocean. The island is currently uninhabited. Guguan is located south from Alamagan and north from Saipan, and is northeast from Sarigan. - Saipan is the largest island of the Northern Mariana Islands, a commonwealth of the United States in the western Pacific Ocean. According to the 2010 United States Census, Saipan's population was 48,220. - Maug (from the Chamorro name for the islands, Ma'ok, meaning "steadfast" or "everlasting") consists of a group of three small uninhabited islands. This island group is part of the Northern Islands Municipality of the Northern Mariana Islands chain in the Pacific Ocean. Given the information, choose the subject and object entities that have the relation of 'instance of'.
Answer:
northern islands municipality , municipality of the northern mariana islands