Ataşehir is a district of Istanbul, Turkey. It is located at the junction of the O-2 and O-4 motorways on the Anatolian (Asian) side of Istanbul. Its neighbours are the districts of Ümraniye to the north, Sancaktepe to the northeast, Maltepe to the east, Kadıköy to the south and Üsküdar to the west. As of 2021, the tallest skyscraper in Ataşehir, Istanbul and Turkey is Metropol Istanbul Tower 1 (70 floors, 301 metres tall including its twin spires), which is a mixed-use complex with three towers and a shopping mall.