Loutraki-Perachora-Agioi Theodoroi in the context of Loutraki-Perachora

Isthmia (Greek: Ισθμία) 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.

Agioi Theodoroi (Greek: Άγιοι Θεόδωροι) is a town and a former municipality in Corinthia, Peloponnese, Greece. Since the 2011 local government reform, it is part of the municipality Loutraki-Perachora-Agioi Theodoroi, of which it is a municipal unit. The municipal unit has an area of 98.030 km (37.850 sq mi).

Agioi Theodoroi is located around 12 km (7.5 mi) east of Corinth and about 63 km (39 mi) W of Athens in the easternmost part of Corinthia. Its population was 4,643 inhabitants at the 2011 census. The well known "Pefkakia", an organized beach is in the eastern part of the town with many pine trees and golden sand. The west is bounded by the massive Corinth Refinery which is the country's largest industrial complex operated by Motor Oil Hellas with the Kalamaki hills and mountains dominating the northern part, and the Attica boundary with Kineta to its east. The municipality is bounded with Loutraki in the west and Megara in the east. Agriculture used to dominate before the 1960s and the 1970s. Now most of the agricultural land is in the north and the east. Some of the houses are summer homes. It has a beautiful pedestrian street by the sea. Many coffee shops, restaurants and beach bars are lining the sea front of the town. The central avenue of the town is part of the old Athens - Corinth highway. It has many shops and services, supermarkets, pharmacies, banks, restaurants etc. and two historical churches.

Loutraki (Greek: Λουτράκι) is a seaside resort on the Gulf of Corinth, in Corinthia, Greece. It is located 81 kilometres (50 miles) west of Athens and 8 kilometres (5 miles) northeast of Corinth. Loutraki is the seat of the municipality Loutraki-Perachora-Agioi Theodoroi. The town is known for its vast natural springs and its therapeutic spas. There are many tourists who visit Loutraki every year (especially in summer) because of its crystal clear sea. The Casino of Loutraki has thousands of visitors every day. The population in 2021 was 12,212 people.

Perachora (Greek: Περαχώρα) is an inland settlement in Loutraki-Perachora-Agioi Theodoroi, Corinthia, in the region of Peloponnese in Greece. In Antiquity it was called Peiraion.

It is located about 7 km northwest of the town of Loutraki in the foothills of the Geraneia mountains. Perachora's name is a transformation of the phrase "Peraia Chora" meaning in Greek "the land on the other side" of the Isthmus of Corinth and the ancient city of Corinth. Perachora has a population of about 1,000 and it is built 300 metres above sea level.