High Quality Content by WIKIPEDIA articles! Yenimahalle is a metropolitan district of Ankara Province in the Central Anatolia region of Turkey, a fast-growing urban residential district of the city of Ankara, Turkey`s capital. According to 2010 census, population of the urban center (with no rural population) is 648,160 The district covers an area of 274 km2 (106 sq mi), and the average elevation is 830 m (2,723 ft).