Isthmia is a Greek village and community 7.5 km (4.7 mi) southeast of Corinth. It is located in the south entry of Corinth Canal. The community spreads in the place where the Isthmian Games were held in antiquity. So, near the village important ruins of the archaeological site are kept including the Temple of Poseidon, the ancient stadium and the ancient theatre. Administratively, Isthmia belongs to Loutraki-Perachora-Agioi Theodoroi municipality and Loutraki-Perachora municipal unit.