Situated on the Arabian Peninsula in Southwest Asia, Yemen is a Middle Eastern country comprised of the formerly separate republics of North and South Yemen.
The Tihamah is a nearly 419-kilometre (260 mi) long, semidesert coastal plain that runs along the Red Sea and is part of the Arabian Peninsula coastal fog desert ecoregion.
Temperatures are generally very high in Yemen, particularly in the coastal regions. Rainfall is limited, with variations based on elevation.