/  15.32278°N 38.92500°E  / 15.32278; 38.92500. Asmara ( / æsˈmɑːrə / əs-MAHR-ə ), or Asmera, is the capital and most populous city of Eritrea, in the country's Central Region. It sits at an elevation of 2,325 metres (7,628 ft), making it the sixth highest capital in the world by altitude and the second highest capital in.