Some 100 km east of Ceylanpınar, the border passes the border towns of Nusaybin/Qamishli (ancient "Nisibis", the birthplace of Ephraim the Syrian), and after another 100 km finally reaches the Tigris River south of Cizre.
Some 100 km east of Ceylanpınar, the border passes the border town of Nusaybin in the Turkish Mardin Province (ancient "Nisibis", the birthplace of Ephraim the Syrian), next to Syrian Qamishli. After another 100 km it finally reaches the Tigris River south of Cizre.