Sarroch is a comune in the Metropolitan City of Cagliari in the Italian region Sardinia, located about 20 kilometres southwest of Cagliari. Sarroch borders the following municipalities: Assemini, Capoterra, Pula, Villa San Pietro. Sarroch population grows to about 10,000 in the summer due to the tourist flow in the zones of Perda e Sali and Portu Columbu. The origins of the name are unknown.