This article features a list of islands sorted by their name beginning with the letter U.
A macron is a diacritical mark: it is a straight bar ¯ placed above a letter, usually a vowel. Its name derives from Ancient Greek μακρόν (makrón) 'long' because it was originally used to mark long or heavy syllables in Greco-Roman metrics. It now more often marks a long vowel. In the International Phonetic Alphabet, the macron is used to indicate a mid-tone; the sign for a long vowel is instead a modified triangular colon ⟨ː⟩.
Madeira, officially the Autonomous Region of Madeira, is an autonomous region of Portugal. It is an archipelago situated in the North Atlantic Ocean, in the region of Macaronesia, just under 400 kilometres (250 mi) north of the Canary Islands, 520 kilometres (320 mi) west of the Kingdom of Morocco and 805 kilometres (500 mi) southwest of mainland Portugal. Madeira sits on the African Tectonic Plate, although it is culturally, politically and ethnically associated with Europe, with its population predominantly descended from Portuguese settlers. Its population was 251,060 in 2021. The capital of Madeira is Funchal, on the main island's south coast.
Port Island is an island located between Gdańsk Bay, Śmiała Wisła and Leniwka in northern Poland within the city limits of Gdańsk.
USS Block Island (CVE-21/AVG-21/ACV-21) was a Bogue-class escort carrier for the United States Navy during World War II. She was the first of two escort carriers named after Block Island Sound off Rhode Island and was the only American carrier sunk in the Atlantic during the war.
Rona is an uninhabited Scottish island in the North Atlantic. It is often referred to as North Rona to distinguish it from the island of South Rona in the Inner Hebrides. It has an area of 109 hectares and a maximum elevation of 108 metres (354 ft).
The Piscataqua River is a 12-mile-long (19 km) tidal river forming the boundary of the U.S. states of New Hampshire and Maine from its origin at the confluence of the Salmon Falls River and Cochecho River to the Atlantic Ocean. The drainage basin of the river is approximately 1,495 square miles (3,870 km2), including the subwatersheds of the Great Works River and the five rivers flowing into Great Bay: the Bellamy, Oyster, Lamprey, Squamscott, and Winnicut.
The American Theater was a theater of operations during World War II including all continental American territory, and extending 200 miles (320 km) into the ocean.
Mono, or Alu, is an Oceanic language of Solomon Islands reported in 1999 to be spoken by 660 people on Treasury Island, 2,270 on Shortland Island, and 14 on Fauro Island.
The European White Elm cultivar Ulmus laevis 'Colorans' was listed as U. effusa var. colorans by Kirchner in Petzold & Kirchner, Arboretum Muscaviense (1864).
The OFC U-16 Championship is a biennial football tournament for players under the age of 16. The tournament decides the only two qualification spots for the Oceania Football Confederation (OFC) and its representatives at the FIFA U-17 World Cup, which is held every two years.
The Greece national under-21 football team is the national under-21 football team of Greece and is controlled by the Hellenic Football Federation, the governing body for football in Greece. The team competes in the European Under-21 Football Championship, held every two years.
Shompen, or Shom Peng is a language or group of languages spoken on Great Nicobar Island in the Indian union territory of the Andaman and Nicobar Islands, in the Indian Ocean, northwest of Sumatra, Indonesia.
Indonesia national under-17 football team represents Indonesia in international football competitions such as FIFA U-17 World Cup, AFC U-17 Asian Cup, ASEAN U-16 Boys Championship, and any other under-17 international football tournaments. It is controlled by the Football Association of Indonesia (PSSI).
German submarine U-59 was a Type IIC U-boat of Nazi Germany's Kriegsmarine that served in the Second World War. She was built by Deutsche Werke AG, Kiel. Ordered on 17 June 1937, she was laid down on 5 October as yard number 258. She was launched on 12 October 1938 and commissioned on 4 March 1939 under the command of Oberleutnant zur See Harald Jürst.
German submarine U-360 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II.
German submarine U-582 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II.
