The Republic of Yemen is divided into twenty-one governorates (muhafazah) and one municipality (amanah):[1] The governorates are subdivided into 333 districts (muderiah), which are subdivided into 1,996 sub-districts, and then into 40,793 villages and 88,817 sub villages (as of 2013).

[2] Before 1990, Yemen existed as two separate entities.

South Yemen consisted of modern Aden, Abyan, Mahrah, Dhale, Hadramaut, Socotra, Lahij, and Shabwah Governorates, while the rest made up North Yemen.

For more information, see Historic Governorates of Yemen.

Notes: a - Also known as Sanaa City, it is not part of any federal region b - Socotra Governorate was created in December 2013 from parts of the Hadhramaut Governorate, data included there