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
St. Mary of Sakızağaç Cathedral, Istanbul St. Mary of Sakızağaç Cathedral, Istanbul The St. Mary of Sakızağaç Cathedral ( ) also called Surp Asdvadzadzin, or the Armenian catholic Cathedral of Istanbul Is the name given to a religious building belonging to the Catholic Church that follows the Armenian rite in full communion with the Pope in Rome, which is located in the city of Istanbul, the largest in the Eurasian country of Turkey. Not to be confused With the other two Catholic cathedrals in that same locality, the Cathedral of the Holy Spirit ("Saint Esprit Kilisesi"), which follows the Latin Rite and the cathedral of a