What is "turubah"

Turabah (, pronounced truba) is a city in Najd in Saudi Arabia, located in the valley of the same name. Turubah is located south of the mountain of Hadhn ("Jebel Hadhn"), to the southeast of Mecca. It is therefore considered on the border between the topographic regions of Hejaz and Najd. The town's traditional inhabitants are the tribe of Al-Bugum. The population of Turubah was 31999 in 2004, while the population of Turubah Governorate was 42,810.