Unión Deportiva San Sebastián de los Reyes, also known as Sanse is a Spanish football team based in San Sebastián de los Reyes, in the autonomous community of Madrid. Founded in 1971 it plays in Primera División RFEF – Group 1, holding home matches at Estadio Nuevo Matapiñonera, with a capacity of 3,000 seats. History The club was founded in 1971. After several years in the lower divisions of Madrid, the club debuted in Tercera División in the 1985–86 season. Season to season 2 seasons in Primera División RFEF 19 seasons in Segunda División B 16 seasons in Tercera División Honours Tercera División Champions (3): 2001–02, 2002–03, 2015–16 Current squad . Reserve team References External links Official website Futbolme team profile Club & stadium history – Estadios de España Football clubs in the Community of Madrid Association football clubs established in 1971 1971 establishments in Spain San Sebastián de los Reyes Primera Federación clubs