Yemen is not in Saudi Arabia, it is a separate country.
Hadhramout
Hadramot
Sana'a is in Yemen and is the largest city there.
Yemen is 203,849 square miles, the 49th largest country in the world.
Yemen is the second largest country on the Arab peninsula. It has a population of over 23 million people. Yemen has few natural resources and depends on agriculture as a means of support.
The first oil well drilled in Yemen was in Tihama region - Hodeidah city in 1961.
Atsimo-Adrefana is the largest region
The water resources of Yemen are rated as 'negligible'. The link below gives a fuller overview.
The eastern region is the largest region in Africa
South Florida is Florida's largest region.
A region is an area that does not have designated fixed boundaries. The second largest region of the world is considered to be North America. The largest region of the world is Asia.