Eight residents in thirty square kilometres Curiosity · Valdeprado, Tierras Altas, Soria Image of Valdeprado, not of the place itself. The municipality, made up of Valdeprado and Castillejo de San Pedro, extends over almost thirty-two square kilometres at 843 metres of altitude for eight registered inhabitants, against the 170 it had in 1842. Photo: Miguel Ángel García. from Ólvega., España (CC BY 2.0) What to see and do in Valdeprado