Istanbul Province Istanbul Province Istanbul Province (), also the Istanbul Metropolitan Municipality ("İstanbul Büyükşehir Belediyesi") is a province of Turkey. It has an area of and is located in the Marmara region in the north-west of the country, bordered by Tekirdağ Province to the west and Kocaeli Province to the east. The Bosphorus Strait between the Black Sea to the north and the Sea of Marmara to the south divides Istanbul Province into European and Asian sides, which makes it one of only two transcontinental provinces in Turkey, along with Çanakkale Province. Istanbul Province has a population of 14,804,116 as of 2016,
History of Istanbul was moved from Istanbul to Ankara. As a consequence, population collapsed, from an estimated 1,125,000 in 1914 to about 500,000 in 1924; but population steadily grew during the later 20th century, the metropolitan population surpassing 10 million in the year 2000. The city's name "İstanbul" is a shortened version with a Turkish character of the Medieval Greek phrase "εἰς τὴν Πόλιν" [is tin ˈpolin], meaning "into the city", which had long been in vernacular use by the local population. The international name "Constantinople" also remained in use until Turkey adapted the Latin alphabet in 1928 and urged other countries to