Istanbul in the 1970s, as people from Anatolia migrated to the city to find employment in the many new factories that were built on the outskirts of the sprawling metropolis. This sudden, sharp rise in the city's population caused a large demand for housing, and many previously outlying villages and forests became engulfed into the metropolitan area of Istanbul. Istanbul is located in north-western Turkey within the Marmara Region on a total area of . The Bosphorus, which connects the Sea of Marmara to the Black Sea, divides the city into a European, Thracian side—comprising the historic and economic centers—and an
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