• Location: Middle East, bordering the Arabian Sea, Gulf of Aden, and Red Sea, between Oman and Saudi Arabia
• Geographic coordinates: 15 00 N, 48 00 E
• Map references: Middle East
• Area:
  
  Total: 527,970 sq km
  
  Land: 527,970 sq km
  
  Water: 0 sq km
  
  note: includes Perim, Socotra, the former Yemen Arab Republic (YAR or North Yemen), and the former People's Democratic Republic of Yemen (PDRY or South Yemen)
• Area - comparative: slightly larger than twice the size of Wyoming
• Land boundaries:
  
  Total: 1,746 km
  
  Border countries: Oman 288 km, Saudi Arabia 1,458 km
• Coastline: 1,906 km
• Maritime claims:
  
  Contiguous zone: 18 nm in the North; 24 nm in the South
  
  Continental shelf: 200 nm or to the edge of the continental margin
  
  Exclusive economic zone: 200 nm
  
  Territorial sea: 12 nm
• Climate: mostly desert; hot and humid along west coast; temperate in western mountains affected by seasonal monsoon; extraordinarily hot, dry, harsh desert in east
• Terrain: narrow coastal plain backed by flat-topped hills and rugged mountains; dissected upland desert plains in center slope into the desert interior of the Arabian Peninsula
• Elevation extremes:
  
  Lowest point: Arabian Sea 0 m
  
  Highest point: Jabal an Nabi Shu'ayb 3,760 m
• Natural resources: petroleum, fish, rock salt, marble, small deposits of coal, gold, lead, nickel, and copper, fertile soil in west