Are Monastery of the Transfiguration, Kinaliada and Süreyya Opera House both Greek Orthodox monasteries? 
Süreyya Opera House: Süreyya Opera House, also called Süreyya Cultural Center (Turkish: "Süreyya Operası or Süreyya Kültür Merkezi" ), is an opera hall located in Kadıköy district of Istanbul, Turkey.
i don't know