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.
Yemen is a presidential republic with a bicameral legislature. Under the constitution, an elected President, an elected 301-seat Assembly of Representatives, and an appointed 111-member Shura Council share power. The President is the head of state, and the Prime Minister is the head of government.