San Martín de Zar

San Martín de Zar or San Martín Zar is a hamlet and minor local entity located in the municipality of Condado de Treviño, in Burgos province, Castile and León, Spain. As of 2020, it has a population of 5.

Geography
San Martín de Zar is located 110 km east-northeast of Burgos.