The Western Zone is a zone in the Tigray Region of Ethiopia. It is subdivided into three woredas ; from north to south they are Kafta Hu…The Western Zone is a zone in the Tigray Region of Ethiopia. It is subdivided into three woredas ; from north to south they are Kafta Humera, Welkait and Tsegede. The largest town is Humera. The Western Zone is bordered on the east by the North Western Zone, the south by the Amhara Region, the west by Sudan and on the north by Eritrea.