Algarra is a municipality in the province of Cuenca, within the autonomous community of Castile-La Mancha, Spain. It is a small rural settlement located in the eastern-central part of the country, in the region historically known as Castile.
The municipality is sparsely populated, with a recorded population of 24 inhabitants as of 2020. Like many villages in the Cuenca province, it is characterized by a very small resident community and a low population density typical of Spain's inland rural areas.
Algarra is administered as a municipality, the basic local administrative unit in Spain, which covers the village itself and its surrounding municipal territory. Its small size places it among the least populated municipalities in the province of Cuenca.