Pastra (Greek: Πάστρα) is a village and a community in the southeastern part of the island of Kefalonia, Greece. It was the seat of the municipality of Eleios-Pronnoi. The community consists of the villages Pastra (population 175 in 2001) and Kremmydi (pop. 68). Pastra is 2 km northeast of Markopoulo, 3 km south of Agia Eirini, 5 km northwest of Skala, 6 km southwest of the port town of Poros and 25 km southeast of Argostoli.