Wikipedia
Gayrettepe (Istanbul Metro)
Gayrettepe is an underground rapid transit station on the M2 line of the Istanbul Metro. It is located in east-central Şişli under Büyükdere Avenue just south of Levent. The station opened on 16 September 2000 and is one of the original six stations of the M2 line. In 2007 a connection to the Istanbul Metrobus at Zincirlikuyu junction was built. Gayrettepe has an island platform serviced by two tracks.