What is a significant mosque in Istanbul, made of two former Eastern Orthodox churches and a chapel,  Istanbul High School, or Zeyrek Mosque?
Istanbul High School İstanbul High School, (Turkish: İstanbul Lisesi , German: Istanbuler Gymnasium ) also commonly known as İstanbul Erkek Lisesi, abbreviated İEL, is one of the oldest and internationally renowned high schools of Turkey. The school is considered elite among Turkish public high schools. Germany recognizes the school as a "Deutsche Auslandsschule" (German International school).
Istanbul (disambiguation) Istanbul is the most populated metropolitan city of Turkey.