Villalazán is a municipality in Spain, located in the province of Zamora within the autonomous community of Castile and León. It lies in the northwestern part of the country, in a region characterised by a continental Mediterranean climate and a landscape of plains and rolling terrain typical of the Duero basin.
According to the 2004 census carried out by the Instituto Nacional de Estadística (INE), the municipality had a population of 375 inhabitants. Like many small rural municipalities in the province of Zamora, Villalazán is a compact settlement whose population is spread across a modest municipal area.
The town is one of numerous small municipalities that make up the province of Zamora, an area known for its historic villages and agricultural economy. Its administrative status as a municipality means it has its own local government, or ayuntamiento, responsible for the basic services provided to its residents.