Constantinople vilayet

İstanbul
Vilayet of the Ottoman Empire
1878–1922

Population 
 Muslim, 1914
560,434
 Greek, 1914
205,752
 Armenian, 1914
82,880
 Jewish, 1914
52,126
History 
 Established
1878
 Disestablished
1922
Preceded by
Succeeded by
İstanbul Eyaleti
Istanbul Province
Today part ofTurkey

The Vilayet of Constantinople or Istanbul (Turkish: Vilâyet-i İstanbul) was a first-level administrative division (vilayet) of the Ottoman Empire, encompassing the imperial capital, Constantinople (Istanbul).