Colmenar de Montemayor is a municipality in the province of Salamanca, within the autonomous community of Castile and León, Spain. It is located in the western part of the country, in a region characterised by its rural landscape and historic villages.
The town's postal code is 37711. As a municipality, it forms part of the local administrative structure of the Salamanca province, one of the nine provinces that make up Castile and León.