​MULA, a town of eastern Spain, in the province of Murcia; on the left bank of the Mula, a small right-hand tributary of the Segura, periodically liable to destructive floods. Pop. (1900), 12,731. The Sierra Espuña rises on the south to a height of nearly 5200 ft. Mula has a small trade in agricultural produce, wine and olive oil. About 4 m. east are two groups of houses known as the Baños de Mula, with warm sulphurous springs of considerable local repute.