Marib is the capital city of Marib Governorate, Yemen. It was the capital of the ancient kingdom of Sabaʾ, which some scholars believe to be th…Marib is the capital city of Marib Governorate, Yemen. It was the capital of the ancient kingdom of Sabaʾ, which some scholars believe to be the ancient Sheba of biblical fame. It is about 120 kilometres east of Yemen's modern capital, Sanaa, and is in the region of the Sarawat Mountains. In 2005 it had a population of 16,794. However, in 2021, it had absorbed close to a million refugees fleeing the Yemeni Civil War.