 The highlands that Asmera is located in fall away to reveal the eastern lowlands, characterized by the searing heat and humidity of the Eritrean salt pans, lapped by the Red Sea.To the west of the plateau stretches a vast semi-arid hilly terrain continuing all the way towards the border with Sudan through the Gash-Barka Region.Asmara has two types of climates prevailing, namely the tropical savanna climate and cold semi-arid climate.