border countries: Djibouti 109 km, Ethiopia 912 km, Sudan 605 km
Coastline:
2,234 km (mainland on Red Sea 1,151 km, islands in Red Sea 1,083 km)
Maritime claims:
territorial sea: 12 nm
Climate:
hot, dry desert strip along Red Sea coast; cooler and wetter in the central highlands (up to 61 cm of rainfall annually, heaviest June to September); semiarid in western hills and lowlands
Terrain:
dominated by extension of Ethiopian north-south trending highlands, descending on the east to a coastal desert plain, on the northwest to hilly terrain and on the southwest to flat-to-rolling plains
Elevation extremes: