update with source
The '''Metropolis of Derkoi''' is
within the [[jurisdiction]] of the [[Church of Constantinople]] . The area of the metropolis is mainly within the geographical limits on the European side of the city of Istanbul in Turkey.
== List of
*Church of Saint Paraskevi, Therapeia
*Church of Saint Paraskevi, Vouyioukdere
*Church of Saint George, Makrochorion
*Church of Saint Stephen Yesilkioy and Aghiasma of Saint Photeini