Armenteros is a village and municipality in the province of Salamanca, in western Spain. It forms part of the autonomous community of Castile and León. The municipality lies roughly 52 kilometres (32 miles) from the city of Salamanca, the provincial capital.
The municipality covers an area of about 39 square kilometres (15 square miles) and has a population of around 238 people. It is made up of five villages: Armenteros itself, which serves as the municipal capital, along with Revalvos, Íñigo Blasco, Navahombela and Pedro Fuertes.