Şeyh Seyyid Seyfullah Hz.
The Tomb of Sheikh Seyyid Seyfullah Hz., located in Fatih, is a historical site in the Seyyid Ömer neighborhood. Sheikh Seyyid Seyfullah, whose real name was Seyfullah Kasım, passed away in Istanbul in 1601. He studied under İbrahim Ümmî Sinan, the founder of the Sinaniyye branch of the Halvetiyye order, and continued his spiritual guidance activities at the Silivrikapı Emirler Lodge. The tomb is within walking distance of the Walls of Istanbul (412 m), Surp Kevork Church (785 m), and Çavuşzade Ahmet Efendi Fountain (438 m).