#byzantium #calligraphy #constantinople #constantinopolis #dersaadet #islambol #islambul #kaligrafi #kostantiniyye #kōnstantinoupolis #osmanlı #ottoman #ottoman style #pâyitaht #sanatı #sancta #stamboul #stambul #tsargrad #turchia #turkey #türkei #türkiye #svkck #Κωνσταντινούπολις #Ναός #τῆς #Ἁγίας #architecture