Nauru, officially the Republic of Nauru and formerly known as Pleasant Island, is an island country and microstate in Oceania, in the Central Pacific. Its nearest neighbour is Banaba Island in Kiribati, 300 km (190 mi) to the east. It further lies northwest of Tuvalu, 1,300 km (810 mi) northeast of the Solomon Islands, east-northeast of Papua New Guinea, southeast of the Federated States of Micronesia and south of the Marshall Islands. With only a 21 km2 (8.1 sq mi) area, Nauru is the third-smallest country in the world behind Vatican City and Monaco, making it the smallest republic. Additionally, its population of 10,670 is the world's second smallest, after Vatican City.
The history of human activity in Nauru, an island country in the Pacific Ocean, began roughly 3,000 years ago when 12 Micronesian and Polynesian clans settled the island.
Nauru is a tiny phosphate rock island nation located in the South Pacific Ocean south of the Marshall Islands in Oceania. It is only 53 kilometres (33 mi) south of the Equator at coordinates 0°32′S166°55′E. Nauru is one of the three great phosphate rock islands in the Pacific Ocean—the others are Banaba in Kiribati and Makatea in French Polynesia.
Sri Lanka, formerly called "Ceylon", is an island nation in the Indian Ocean, southeast of the Indian subcontinent, in a strategic location near major Indian Ocean sea lanes. The nation has a total area of 65,612 km2, with 62,707 km2 of land and 2,905 km2 of water. Its coastline is 1,340 km (830 mi) long. The main island of Sri Lanka has an area of 65,268 km2; it is the twenty-fifth largest island of the world by area. Dozens of offshore islands account for the remaining 342 km2 area. The largest offshore island, Mannar Island, leads to Adam's Bridge.
Boe is a district in the country of Nauru. It is the only district of Boe Constituency.
Anabar is a district in the Pacific country of Nauru.
Ubenide is one of the constituencies of Nauru and is made up of the four districts: Baitsi, Denigomodu, Nibok, and Uaboe. It covers an area of 4.5 km², and has a population of 3,300. It returns four members to the Parliament of Nauru in Yaren.
The Nueva Sparta State (in Spanish: Estado Nueva Esparta, is one of the 23 states of Venezuela. It comprises Margarita Island, Coche, and the largely uninhabited Cubagua.
New Georgia, with an area of 2,037 km2 (786 sq mi), is the largest of the islands in Western Province, Solomon Islands, and the 200th-largest island in the world.
Savaiʻi is the largest and highest island both in Samoa and in the Samoan Islands chain. The island is also the sixth largest in Polynesia, behind the three main islands of New Zealand and the Hawaiian Islands of Hawaii and Maui.
Nanumanga or Nanumaga is a reef island and a district of the Oceanian island nation of Tuvalu. It has a surface area of about 3 km² with a population of 491.
Buka Island is the second largest island in the Autonomous Region of Bougainville, in eastern Papua New Guinea. It is in Buka Rural LLG of North Bougainville District, with the Autonomous Region's and district's capital city of Buka on the island.
Taveuni is the third-largest island in Fiji, after Viti Levu and Vanua Levu, with a total land area of 434 square kilometres. The cigar-shaped island, a massive shield volcano which rises from the floor of the Pacific Ocean, is situated 6.5 kilometres to the east of Vanua Levu, across the Somosomo Strait. It belongs to the Vanua Levu Group of islands and is part of Fiji's Cakaudrove Province within the Northern Division.
Buada Lagoon is a landlocked, slightly brackish, freshwater lake of Buada District in the island nation of Nauru. It occupies about 0.05 square miles (0.13 km2).
Rossel Island is the easternmost island of the Louisiade Archipelago, within the Milne Bay Province of Papua New Guinea. Tree Islet is situated 1.5 miles (2.4 km) to the north-west, while Wule Island is situated 1.5 miles (2.4 km) westward.
Niau is a small atoll in French Polynesia, in the commune of Fakarava. This atoll has a broad fringing reef, a diameter of 8 km and an area of 53 km².
Nauru is positioned in the Nauru Basin of the Pacific Ocean, on a part of the Pacific Plate that formed at a mid oceanic ridge at 132 Ma. From mid Eocene (35 Ma) to Oligocene times a submarine volcano built up over a hotspot, and formed a seamount composed of basalt. The seamount rises over 4300 m above the ocean floor. This hotspot developed simultaneously with a major Pacific Plate reorganisation.
The following outline is provided as an overview of and topical guide to Nauru:
Aquaculture in Nauru has been practiced much longer than aquaculture in any other Pacific Islands country, the country's milkfish industry predating contact with Europe. The only area in Nauru deemed capable of supporting aquaculture by the Food and Agriculture Organization of the United Nations is Buada Lagoon.
The Eastern Micronesia tropical moist forests is a tropical and subtropical moist broadleaf forests ecoregion in Micronesia. It includes the Marshall Islands, Banaba and the Gilbert Islands in Kiribati, Nauru, and Wake Island, a possession of the United States.
Nauru 
