Durón is a municipality in the province of Guadalajara, in the autonomous community of Castile-La Mancha, Spain. It is a small rural settlement in the central part of the country, within the Guadalajara province that lies to the northeast of Madrid.
The municipality is sparsely populated. According to the 2004 census carried out by Spain's National Statistics Institute (INE), Durón had a population of 173 inhabitants. This figure reflects the pattern of small, low-density municipalities characteristic of much of rural inland Spain.
As a municipality, Durón is the basic unit of local administration in Spain, encompassing the settlement and its surrounding territory under a local council. Its location in the province of Guadalajara places it within the wider Castile-La Mancha region.