Maslak United States) constructing with steel costs more than constructing with concrete. The reason for choosing steel was its relative strength in resisting earthquakes (Istanbul is located along an active fault), whereas concrete is more fire-resistant. The stations "İTÜ-Ayazağa" and "Atatürk Oto Sanayi" along the M2 line of the Istanbul Metro serve the Maslak business district and its surrounding neighbourhoods. One of the five campuses of the Istanbul Technical University, the Ayazağa Campus, is located in Maslak. Maslak Maslak is one of the main business districts of Sarıyer, Istanbul, Turkey, located on the European side of the city. It was formerly
Commercial district In larger cities and towns there may be multiple commercial districts, often with more specialized functions. If a city has one large central area of offices and professional buildings, this is called the Central Business District or CBD (term used especially, but not exclusively, in Australian and New Zealand English), or downtown (North American English with the exception of Liverpool, England, who also uniquely use the term 'downtown' ). "CBD" and "downtown" usually refer to centrally located areas of a city and are of predominate importance within their city, which differentiates them from other commercial districts. The financial district of