At an elevation of , Sanaa is one of the highest capital cities in the world and is next to the Sarawat Mountains of Jabal An-Nabi Shu'ayb and Jabal Tiyal, considered to be the highest mountains in the country and amongst the highest in the region. Sanaa has a population of approximately 3,937,500 (2012), making it Yemen's largest city. As of 2020, the greater Sanaa urban area makes up about 10% of Yemen's total population.