<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (March 2018) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (March 2018) (Learn how and when to remove this template message) </Td> </Tr> <Table> Constantinople <Tr> <Td_colspan="2"> <P> Greek: Κωνσταντινούπολις </P> Constantinopolis (in Latin) </Td> </Tr> <Tr> <Td_colspan="2"> Map of Constantinople </Td> </Tr> <Tr> <Td_colspan="2"> Shown within Asia Minor </Td> </Tr> <Tr> <Th> Alternate name </Th> <Td> Byzantion (earlier Greek name), Miklagard / Miklagarth (Old Norse), Tsarigrad (Slavic), Basileuousa ("Queen of Cities"), Megalopolis ("the Great City") </Td> </Tr> <Tr> <Th> Location </Th> <Td> Istanbul, Istanbul Province, Turkey </Td> </Tr> <Tr> <Th> Region </Th> <Td> Thrace </Td> </Tr> <Tr> <Th> Coordinates </Th> <Td> 41 ° 00 ′ 50" N 28 ° 57 ′ 20" E ﻿ / ﻿ 41.01389 ° N 28.95556 ° E ﻿ / 41.01389; 28.95556 Coordinates: 41 ° 00 ′ 50" N 28 ° 57 ′ 20" E ﻿ / ﻿ 41.01389 ° N 28.95556 ° E ﻿ / 41.01389; 28.95556 </Td> </Tr> <Tr> <Th> Type </Th> <Td> Imperial city </Td> </Tr> <Tr> <Th> Area </Th> <Td> <P> 6 km (2.3 sq mi) enclosed within Constantinian Walls </P> 14 km (5.4 sq mi) enclosed within Theodosian Walls </Td> </Tr> <Tr> <Th_colspan="2"> History </Th> </Tr> <Tr> <Th> Builder </Th> <Td> Constantine the Great </Td> </Tr> <Tr> <Th> Founded </Th> <Td> 11 May 330 </Td> </Tr> <Tr> <Th> Periods </Th> <Td> Late Antiquity to Late Middle Ages </Td> </Tr> <Tr> <Th> Cultures </Th> <Td> Roman, Byzantine </Td> </Tr> </Table> <Tr> <Td_colspan="2"> <P> Greek: Κωνσταντινούπολις </P> Constantinopolis (in Latin) </Td> </Tr>

When it was first established the city of constantinople