Aragona, a town of Sicily, in the province and 8 m. N. by E. of Girgenti; pop. about 8,000. It is a very poor place, situated on a bare plain, backed by steep hills; but it has a large castle of the princes of Aragona, and is in the neighborhood of extensive sulphur mines, and of the mud volcanoes called Maccalube, which rise about 200 feet above the plain, and are known to have been in a state of continual activity for 1,500 years.