1.
Geographic coordinate system
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A geographic coordinate system is a coordinate system used in geography that enables every location on Earth to be specified by a set of numbers, letters or symbols. The coordinates are chosen such that one of the numbers represents a vertical position. A common choice of coordinates is latitude, longitude and elevation, to specify a location on a two-dimensional map requires a map projection. The invention of a coordinate system is generally credited to Eratosthenes of Cyrene. Ptolemy credited him with the adoption of longitude and latitude. Ptolemys 2nd-century Geography used the prime meridian but measured latitude from the equator instead. Mathematical cartography resumed in Europe following Maximus Planudes recovery of Ptolemys text a little before 1300, in 1884, the United States hosted the International Meridian Conference, attended by representatives from twenty-five nations. Twenty-two of them agreed to adopt the longitude of the Royal Observatory in Greenwich, the Dominican Republic voted against the motion, while France and Brazil abstained. France adopted Greenwich Mean Time in place of local determinations by the Paris Observatory in 1911, the latitude of a point on Earths surface is the angle between the equatorial plane and the straight line that passes through that point and through the center of the Earth. Lines joining points of the same latitude trace circles on the surface of Earth called parallels, as they are parallel to the equator, the north pole is 90° N, the south pole is 90° S. The 0° parallel of latitude is designated the equator, the plane of all geographic coordinate systems. The equator divides the globe into Northern and Southern Hemispheres, the longitude of a point on Earths surface is the angle east or west of a reference meridian to another meridian that passes through that point. All meridians are halves of great ellipses, which converge at the north and south poles, the prime meridian determines the proper Eastern and Western Hemispheres, although maps often divide these hemispheres further west in order to keep the Old World on a single side. The antipodal meridian of Greenwich is both 180°W and 180°E, the combination of these two components specifies the position of any location on the surface of Earth, without consideration of altitude or depth. The grid formed by lines of latitude and longitude is known as a graticule, the origin/zero point of this system is located in the Gulf of Guinea about 625 km south of Tema, Ghana. To completely specify a location of a feature on, in, or above Earth. Earth is not a sphere, but a shape approximating a biaxial ellipsoid. It is nearly spherical, but has an equatorial bulge making the radius at the equator about 0. 3% larger than the radius measured through the poles, the shorter axis approximately coincides with the axis of rotation
2.
Greece
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Greece, officially the Hellenic Republic, historically also known as Hellas, is a country in southeastern Europe, with a population of approximately 11 million as of 2015. Athens is the capital and largest city, followed by Thessaloniki. Greece is strategically located at the crossroads of Europe, Asia, situated on the southern tip of the Balkan peninsula, it shares land borders with Albania to the northwest, the Republic of Macedonia and Bulgaria to the north, and Turkey to the northeast. Greece consists of nine regions, Macedonia, Central Greece, the Peloponnese, Thessaly, Epirus, the Aegean Islands, Thrace, Crete. The Aegean Sea lies to the east of the mainland, the Ionian Sea to the west, the Cretan Sea and the Mediterranean Sea to the south. Greece has the longest coastline on the Mediterranean Basin and the 11th longest coastline in the world at 13,676 km in length, featuring a vast number of islands, eighty percent of Greece is mountainous, with Mount Olympus being the highest peak at 2,918 metres. From the eighth century BC, the Greeks were organised into various independent city-states, known as polis, which spanned the entire Mediterranean region and the Black Sea. Greece was annexed by Rome in the second century BC, becoming a part of the Roman Empire and its successor. The Greek Orthodox Church also shaped modern Greek identity and transmitted Greek traditions to the wider Orthodox World, falling under Ottoman dominion in the mid-15th century, the modern nation state of Greece emerged in 1830 following a war of independence. Greeces rich historical legacy is reflected by its 18 UNESCO World Heritage Sites, among the most in Europe, Greece is a democratic and developed country with an advanced high-income economy, a high quality of life, and a very high standard of living. A founding member of the United Nations, Greece was the member to join the European Communities and has been part of the Eurozone since 2001. Greeces unique cultural heritage, large industry, prominent shipping sector. It is the largest economy in the Balkans, where it is an important regional investor, the names for the nation of Greece and the Greek people differ from the names used in other languages, locations and cultures. The earliest evidence of the presence of human ancestors in the southern Balkans, dated to 270,000 BC, is to be found in the Petralona cave, all three stages of the stone age are represented in Greece, for example in the Franchthi Cave. Neolithic settlements in Greece, dating from the 7th millennium BC, are the oldest in Europe by several centuries and these civilizations possessed writing, the Minoans writing in an undeciphered script known as Linear A, and the Mycenaeans in Linear B, an early form of Greek. The Mycenaeans gradually absorbed the Minoans, but collapsed violently around 1200 BC and this ushered in a period known as the Greek Dark Ages, from which written records are absent. The end of the Dark Ages is traditionally dated to 776 BC, the Iliad and the Odyssey, the foundational texts of Western literature, are believed to have been composed by Homer in the 7th or 8th centuries BC. With the end of the Dark Ages, there emerged various kingdoms and city-states across the Greek peninsula, in 508 BC, Cleisthenes instituted the worlds first democratic system of government in Athens
3.
Administrative regions of Greece
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The administrative regions of Greece are the countrys thirteen first-level administrative entities, each comprising several second-level units, originally prefectures and, since 2011, regional units. The current regions were established in July 1986, by decision of then-Interior Minister Menios Koutsogiorgas as a second-level administrative entities, as part of a decentralization process inspired by then-Interior Minister Alekos Papadopoulos, they were accorded more powers in the 1997 Kapodistrias reform of local and regional government. They were transformed into separate entities by the 2010 Kallikratis Plan. In the 2011 changes, the general secretary was replaced with a popularly elected regional governor. Many powers of the prefectures, which were abolished or reformed into regional units, were transferred to the region level. The regional organs of the government were in turn replaced by seven decentralized administrations. Bordering the region of Central Macedonia there is one region, Mount Athos. It is located on the easternmost of the three large peninsulas jutting into the Aegean from the Chalcidice Peninsula, ISO 3166-2, GR Administrative divisions of Greece
4.
Attica (region)
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Attica is an administrative region that encompasses the entire metropolitan area of Athens, the capital of Greece. The region is coextensive with the former Attica Prefecture of Central Greece, located on the eastern edge of Central Greece, Attica covers about 3,808 square kilometers. About 3,750,000 people live in the region, the Attica region was established in the 1987 administrative reform, and until 2010 comprised the 4 prefectures of Athens, East Attica, Piraeus and West Attica. With the 2010 Kallikratis plan, the powers and authority were completely redefined and extended. Since 1 January 2011, the region represents the local administration. While being supervised by the Decentralized Administration of Attica, it is now an independent self-governing body with powers, the region is subdivided into eight subordinate regional units, The regions governor is Rena Dourou, who on 1 September 2014 succeeded Giannis Sgouros following the 2014 local elections. The Attica region consists of five districts, Athens A, Athens B, Piraeus A, Piraeus B. Athens Mass Transit System Athens Metro Athens Tram Proastiakos Transit System Official website
5.
Piraeus (regional unit)
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Piraeus is one of the regional units of Greece. It is part of the region of Attica, the regional unit covers the west-central part of the agglomeration of Athens. As a part of the 2011 Kallikratis government reform, the regional unit Piraeus was created out of part of the former Piraeus Prefecture and it is subdivided into 5 municipalities. These are, Keratsini-Drapetsona Korydallos Nikaia-Agios Ioannis Rentis Perama Piraeus List of settlements in Attica
6.
Eastern European Time
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Eastern European Time is one of the names of UTC+02,00 time zone,2 hours ahead of Coordinated Universal Time. The zone uses daylight saving time, so that it uses UTC+03,00 during the summer, a number of African countries use UTC+02,00 all year long, where it is called Central Africa Time, although Egypt and Libya also use the term Eastern European Time. The following countries, parts of countries, and territories use Eastern European Time all year round, Egypt, since 21 April 2015, used EEST from 1988–2010, Kaliningrad Oblast, since 26 October 2014, also used EET in years 1945 and 1991–2011. Libya, since 27 October 2013, switched from Central European Time, used year-round EET from 1980–1981, 1990–1996 and 1998–2012. Belarus, in years 1922–30 and 1990–2011 In Poland this time was used in years 1918–22, in time of World War II, Germany implemented MET in east occupied territories. Republic of Crimea and Sevastopol used EET as part of Ukraine in years 1991-94 and 1996-2014 Turkey, used EET in years 1910-1978, now uses year round DST timezone called Further-eastern European Time or Turkey Time. The Turkish Republic of Northern Cyprus also uses FET, sometimes, due to its use on Microsoft Windows, FLE Standard Time or GTB Standard Time are used to refer to Eastern European Time. Since political, in addition to geographical, criteria are used in the drawing of time zones. The EET time zone, were it drawn by purely geographical terms, the easternmost part of the Republic of Macedonia, including the city of Strumica. The absolutely easternmost part of Serbia, in the Pirot District, the easternmost town in Norway, Vardø, lies at 30°51 E, which is located east of even of the central meridian of UTC+2, i. e. east of Istanbul and Alexandria. The Norwegian-Russian border is the place where CET borders Moscow time. There is a point at the Norway-Finland-Russia tripoint, near the town of Rayakoski. Belarus is located between 23°11′E and 32°47′E and is fully located with the physical UTC+2 area, but it uses UTC+3 year around. This also includes the city of Anapa, at the westernmost tip of the Krasnodar Krai near the entrance to the Sea of Azov, the Norway–Russia–Finland tri-zone point at Muotkavaara is surrounded by three different times in winter, two in summer. It had three time zones year-around before 2014, two of the four tripoints of Belarus and the tripoint of the Kaliningrad Region are surrounded by three different times in winter
Perama
