Adi Keyh is a market town in Eritrea, lying south of Asmara. It lies almost 2,500 metres above sea level and has a population of around 25,000 people. The ruins of Qohaito and Toconda lie near the town. The market town is a medieval phenomenon. ... Asmara is the capital city and largest settlement in Eritrea, home to a population of around 1,500,000 people. ... For considerations of sea level change, in particular rise associated with possible global warming, see sea level rise. ... Qohaito was an Aksumite city in what is now Eritrea, lying over 2,500 m above sea level. ...