Sultanbeyli - district in Istanbul, Turkey
"Sultanbeyli is a district of Istanbul, Turkey, located inland on the Asian side of the city. It has a population of 298,143 as of 2011, more than triple the 1990 figure of 82,298. The mayor is Hüseyin Keskin of the Justice and Development Party. Sultanbeyli is a landlocked district, bordered by Sancaktepe to the west, Pendik to the east and Kartal to the south-west. - Wikipedia"