The Turkish-Islamic Union for Religious Affairs (DİTİB; German: Türkisch-Islamische Union der Anstalt für Religion e.V.; Turkish: Diyanet İşleri Türk-İslam Birliği) is one of the largest Islamic organisations in Germany. Founded in 1984 as a branch of the Presidency of Religious Affairs in Ankara, it is an "arm" of the Turkish state.[1] The headquarters are in Cologne-Ehrenfeld.