The Istanbul Leather Free Zone (Istanbul Industrial and Trade Free Zone) expanded its existing 88,000 m2 land by 26,000 m2 in 1995, 72,000 m2 in 1998, 263,000 m2 in 2003, 85,000 m2 in 2004 and 6,000 m2 in 2011, reaching a gross area of 540,000 m2.