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Ptolemy's World Map
The Ptolemy world map is a map of the world known to Greco-Roman societies in the 2nd century. It is based on the description contained in Ptolemy's book ''Geography'', written . Based on an inscription in several of the earliest surviving manuscripts, it is traditionally credited to Agathodaemon of Alexandria. Notable features of Ptolemy's map is the first use of longitudinal and latitudinal lines as well as specifying terrestrial locations by celestial observations. The ''Geography'' was translated from Greek into Arabic in the 9th century and played a role in the work of al-Khwārizmī before lapsing into obscurity. The idea of a global coordinate system revolutionized European geographical thought, however, and inspired more mathematical treatment of cartography. Ptolemy's work probably originally came with maps, but none have been discovered. Instead, the present form of the map was reconstructed from Ptolemy's coordinates by Byzantine monks under the direction of Maximus P ...
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World Ocean
The ocean (also the sea or the world ocean) is the body of salt water that covers approximately 70.8% of the surface of Earth and contains 97% of Earth's water. An ocean can also refer to any of the large bodies of water into which the world ocean is conventionally divided."Ocean."
''Merriam-Webster.com Dictionary'', Merriam-Webster, https://www.merriam-webster.com/dictionary/ocean. Accessed March 14, 2021.
Separate names are used to identify five different areas of the ocean: (the largest), ,

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Sumatra
Sumatra is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the sixth-largest island in the world at 473,481 km2 (182,812 mi.2), not including adjacent islands such as the Simeulue, Nias, Mentawai, Enggano, Riau Islands, Bangka Belitung and Krakatoa archipelago. Sumatra is an elongated landmass spanning a diagonal northwest–southeast axis. The Indian Ocean borders the northwest, west, and southwest coasts of Sumatra, with the island chain of Simeulue, Nias, Mentawai, and Enggano off the western coast. In the northeast, the narrow Strait of Malacca separates the island from the Malay Peninsula, which is an extension of the Eurasian continent. In the southeast, the narrow Sunda Strait, containing the Krakatoa Archipelago, separates Sumatra from Java. The northern tip of Sumatra is near the Andaman Islands, while off the southeastern coast lie the islands of Bangka and Belitung, Karim ...
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Golden Chersonese
The Golden Chersonese or Golden Khersonese ( grc, Χρυσῆ Χερσόνησος, ''Chrysḗ Chersónēsos''; la, Chersonesus Aurea), meaning the Golden Peninsula, was the name used for the Malay Peninsula by Greek and Roman geographers in classical antiquity, most famously in Claudius Ptolemy's 2nd-century ''Geography''. Name The earliest references to a fabulous land of gold that could be interpreted as places in South East Asia may be found in Indian literature. In ''Ramayana'', there are mentions of ''Suvarnabhumi'' (Land of Gold) and ''Suvarnadvipa'' (the Golden Island or Peninsula, where ''dvipa'' might refer to either a peninsula or an island) Greek knowledge of lands further to their east improved after the conquests of Alexander the Great, but specific references to places in South East Asia did not appear until after the rise of the Roman Empire. Greek and Roman geographers Eratosthenes, Dionysius Periegetes, and Pomponius Mela had written about a Golden Isle (''Khry ...
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Malay Peninsula
The Malay Peninsula (Malay: ''Semenanjung Tanah Melayu'') is a peninsula in Mainland Southeast Asia. The landmass runs approximately north–south, and at its terminus, it is the southernmost point of the Asian continental mainland. The area contains Peninsular Malaysia, Southern Thailand, and the southernmost tip of Myanmar (Kawthaung). The island country of Singapore also has historical and cultural ties with the region. The indigenous people of the peninsula are the Malays, an Austronesian people. The Titiwangsa Mountains are part of the Tenasserim Hills system and form the backbone of the peninsula and the southernmost section of the central cordillera, which runs from Tibet through the Kra Isthmus, the peninsula's narrowest point, into the Malay Peninsula. The Strait of Malacca separates the Malay Peninsula from the Indonesian island of Sumatra, and the south coast is separated from the island of Singapore by the Straits of Johor. Etymology The Malay term ''Tanah Me ...
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Taprobana
Taprobana ( grc, Ταπροβανᾶ) and Taprobane (, ) was the name by which the Indian Ocean island of Sri Lanka was known to the ancient Greeks. History Reports of the island's existence were known before the time of Alexander the Great as inferred from Pliny. The treatise ''De Mundo'', supposedly by Aristotle (died 322 BC) but according to others by Chrysippus the Stoic (280 to 208 BC), incorrectly states that the island is as large as Great Britain (in fact, it is only about one third as big). The name was first reported to Europeans by the Greek geographer Megasthenes around 290 BC. Herodotus (444 BC) does not mention the island. The first Geography in which it appears is that of Eratosthenes (276 to 196 BC) and was later adopted by Claudius Ptolemy (139 AD) in his geographical treatise to identify a relatively large island south of continental Asia. Writing during the era of Augustus, Greek geographer Strabo makes reference to the island, noting that "Taprobane send ...
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Sri Lanka
Sri Lanka (, ; si, ශ්‍රී ලංකා, Śrī Laṅkā, translit-std=ISO (); ta, இலங்கை, Ilaṅkai, translit-std=ISO ()), formerly known as Ceylon and officially the Democratic Socialist Republic of Sri Lanka, is an island country in South Asia. It lies in the Indian Ocean, southwest of the Bay of Bengal, and southeast of the Arabian Sea; it is separated from the Indian subcontinent by the Gulf of Mannar and the Palk Strait. Sri Lanka shares a maritime border with India and Maldives. Sri Jayawardenepura Kotte is its legislative capital, and Colombo is its largest city and financial centre. Sri Lanka has a population of around 22 million (2020) and is a multinational state, home to diverse cultures, languages, and ethnicities. The Sinhalese are the majority of the nation's population. The Tamils, who are a large minority group, have also played an influential role in the island's history. Other long established groups include the Moors, the Burghers ...
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Ganges River
The Ganges ( ) (in India: Ganga ( ); in Bangladesh: Padma ( )). "The Ganges Basin, known in India as the Ganga and in Bangladesh as the Padma, is an international river to which India, Bangladesh, Nepal and China are the riparian states." is a trans-boundary river of Asia which flows through India and Bangladesh. The river rises in the western Himalayas in the Indian States and union territories of India, state of Uttarakhand. It flows south and east through the Gangetic Plain, Gangetic plain of North India, receiving the right-bank tributary, the Yamuna, which also rises in the western Indian Himalayas, and several left-bank tributaries from Nepal that account for the bulk of its flow. In West Bengal state, India, a feeder canal taking off from its right bank diverts 50% of its flow southwards, artificially connecting it to the Hooghly river. The Ganges continues into Bangladesh, its name changing to the Padma River, Padma. It is then joined by the Jamuna River (Bangladesh), ...
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Indus River
The Indus ( ) is a transboundary river of Asia and a trans-Himalayan river of South and Central Asia. The river rises in mountain springs northeast of Mount Kailash in Western Tibet, flows northwest through the disputed region of Kashmir, Quote: "Kashmir, region of the northwestern Indian subcontinent. It is bounded by the Uygur Autonomous Region of Xinjiang to the northeast and the Tibet Autonomous Region to the east (both parts of China), by the Indian states of Himachal Pradesh and Punjab to the south, by Pakistan to the west, and by Afghanistan to the northwest. The northern and western portions are administered by Pakistan and comprise three areas: Azad Kashmir, Gilgit, and Baltistan, ... The southern and southeastern portions constitute the Indian state of Jammu and Kashmir. The Indian- and Pakistani-administered portions are divided by a "line of control" agreed to in 1972, although neither country recognizes it as an international boundary. In addition, China became ...
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India (term)
The Republic of India has two principal short names, each of which is historically significant, "India" and "Bharata". A third name, "Hindustān", is sometimes an alternative name for the region comprising most of the modern Indian states of the subcontinent when Indians speak among themselves. The usage of "Bhārat", "Hindustān", or "India" depends on the context and language of conversation. "Bhārat", the name for India in several Indian languages, is variously said to be derived from the name of either, King Dhashrath's son Bharat, Dushyanta's son Bharata or Rishabha's son Bharata. At first the name Bhārat referred only to the western part of the Ganges in North India, but was later more broadly applied to the Indian subcontinent and the region of Greater India, as was the name "India". Today it refers to the contemporary Republic of India located therein. The name "India" is originally derived from the name of the river Sindhu ( Indus River) and has been in use in ...
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University Of Chicago Press
The University of Chicago Press is the largest and one of the oldest university presses in the United States. It is operated by the University of Chicago and publishes a wide variety of academic titles, including ''The Chicago Manual of Style'', numerous academic journals, and advanced monographs in the academic fields. One of its quasi-independent projects is the BiblioVault, a digital repository for scholarly books. The Press building is located just south of the Midway Plaisance on the University of Chicago campus. History The University of Chicago Press was founded in 1890, making it one of the oldest continuously operating university presses in the United States. Its first published book was Robert F. Harper's ''Assyrian and Babylonian Letters Belonging to the Kouyunjik Collections of the British Museum''. The book sold five copies during its first two years, but by 1900 the University of Chicago Press had published 127 books and pamphlets and 11 scholarly journals, includ ...
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Terra Incognita
''Terra incognita'' or ''terra ignota'' (Latin "unknown land"; ''incognita'' is stressed on its second syllable in Latin, but with variation in pronunciation in English) is a term used in cartography for regions that have not been mapped or documented. The expression is believed to be first seen in Ptolemy's ''Geography'' c. 150. The term was reintroduced in the 15th century from the rediscovery of Ptolemy's work during the Age of Discovery. The equivalent on French maps would be ''terres inconnues'' (plural form), and some English maps may show ''Parts Unknown''. Similarly, uncharted or unknown seas would be labeled ''mare incognitum'', Latin for "unknown sea". Details An urban legend claims that cartographers labelled such regions with "Here be dragons". Although cartographers did claim that fantastic beasts (including large serpents) existed in remote corners of the world and depicted such as decoration on their maps, only one known surviving map, the Hunt–Lenox Glo ...
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