Keren (Tigrinya and Tigre: ከረን), historically known as Sanhit, is the second-largest city in Eritrea. It is situated around 91 kilometres (57 mi) northwest of Asmara at an elevation of 1,390 metres (4,560 ft) above sea-level. The city sprawls on a wide basin surrounded by granitic mountains on all sides. It serves as the capital of the Anseba Region, and is home to a number of ethnic groups including the Bilen people, Tigre people and Tigrinya people.