Almardamah (Arabic: المردمة Almardmah; Mardamah) is a town in Saudi Arabia located on the north-western district of Riyadh province, managed by Riyadh Municipality and headed by the mayor of Almardamah Sheikh: Nasir bin Waraek Alhers Al-Otaibi .

It is located in north-western Najed approximately 20 miles (37 km) south of Afif.

The population of Almardamah was 7,000 at the 2010 census[citation needed].

It is considered one of the fastest growing mid-population towns in the Riyadh Province in Saudi Arabia.

This article about the geography of Saudi Arabia is a stub.