Tarhuna wa Msalata (Tarhuna and Msallata) was a district of Libya until 2007. Between 1988 and 1995 there existed the Tarhuna District, which became Tarhuna wa Msalata between 2001 and 2007. It consisted of twenty-six Basic People's Congresses, similar to townships, and its capital was Tarhuna. In the 2007 administrative reorganization the territory formerly in Tarhuna wa Msalata was transferred to Murqub District. The rural population in Tarhuna is one of the largest in western Libya, with a population density exceeding 50/km².