Sanaa, officially the Sanaa Municipality, is the de jure capital and largest city of Yemen. The city is the capital of the Sanaa Governorate, but i…Sanaa, officially the Sanaa Municipality, is the de jure capital and largest city of Yemen. The city is the capital of the Sanaa Governorate, but is not part of the governorate, as it forms a separate administrative unit. At an elevation of 2,300 metres, 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 Arabian Peninsula and one of the highest in the Middle East.