Aldeonte is a municipality in Spain, located in the province of Segovia within the autonomous community of Castile and León. It lies in the central part of the country, in a region characterised by the plains and rural landscapes of the northern meseta.
The municipality is small, with a population recorded as 94 inhabitants in the 2004 census carried out by the Instituto Nacional de Estadística (INE). Like many settlements in this part of Segovia province, it is a sparsely populated rural community.
Its administrative status is that of a municipality, the basic unit of local government in Spain, which includes the settlement itself and its surrounding territory. Aldeonte is one of numerous small municipalities that make up the province of Segovia.