Tur Abdin (Syriac: ܛܘܼܪ ܥܒ݂ܕܝܼܢ) is a hilly region of south east Turkey incorporating the eastern half of Mardin Province, and Şırnak Province west of the Tigris, on the border with Syria. The name 'Tur Abdin' is from the Syriac language meaning 'mountain of the servants (of God)'. Tur Abdin is of great importance to Syriac Orthodox Christians, for whom the region used to be a monastic and cultural heartland.