Alange (Spanish pronunciation: [aˈlaŋxe]) is a municipality located in the province of Badajoz, Extremadura, Spain. As of 2017 the municipality has a population of 1,891 inhabitants. There has been a spa at Alange at least since Roman times when a bathhouse was constructed with separate facilities for men and women. There is a medieval castle (but of Roman origins), located on a hill commanding the Matachel river. It was held by the Order of Santiago from the 1240s, and was abandoned in 1550.