Health care facilities are relatively poor, especially outside major cities.
With Jebel Nugum towering over it, Sana'a sits on the narrowest point of a major mountain plateau, (2.286 metres) above sea level. The region's volcanic origin and regular rainfall make it fertile and it enjoys a temperate climate throughout the year with the occasional sharp frost in the small hours of winter nights. One legend tells of its founding by Shem the son of Noah.
Yemeni Riyal (YER) = 100 fils, though amounts under 1 Riyal are rarely quoted. Notes are in denominations of YER1,000, 500, 200, 100 and 50. Coins are in denominations of YER20, 10, 5 and 1.