Former name of the area was Azatlık. The location was specialized in providing gunpowder to Ottoman army. Later a farm was established in place of Azatlık. The farm was known as Resneli farm referring to Resneli Niyazi, a military officer from Resen, Macedonia (then a part of Ottoman Empire), who was a hero of Young Turk Revolution in 1908. Up to 2009 most of Başakşehir was a quarter in Küçükçekmece district. Then it was declared a seat of district.