Büyükçekmece is a district and municipality (belediye) in the suburbs of Istanbul, Turkey on the Sea of Marmaracoast of the European side, west of the city. It is largely an industrial area with a population of 380,000. The mayor is Hasan Akgün.
Source : Wikipedia
City of Büyükcekmece is a member of Energy Cities since 2014
230 000 Inhabitants