The Marib Dam is a modern dam blocking the wadi or valley of Adhanah in the Balaq Hills, located in the Ma'rib Governorate in Yemen. The current dam was built in the 1980s and is close to the ruins of the ancient dam, first built in the 8th century BC. It was one of the engineering wonders of the ancient world and a central part of the Sabaean and Himyarite kingdoms around Ma'rib.

Marib is a governorate of Yemen. It is located 173 kilometers to the northeast of Yemen's capital, Sana'a. The population of Marib Governorate comprises 1.2% of the country's total population. The city of Marib is the capital of the governorate, and was established after the discovery of oil deposits in 1984. The total number of residents living in the governorate was 238,522, according to the 2004 census, and the rate of growth was 2.72%.