Corinthia (Korinthia). Corinthia is one of the 7 prefectures of Peloponnese. It is located in the northwest part of the Peloponnese, a small part of it is located in Central Greece (Greek mainland, Loutraki town).
Corinthia borders to the west with the prefecture of Achaia, in the south with the Prefectures of Argolida and Arcadia, to the east with the prefecture of Attica. Αlso, a part of it borders to the Saronic Gulf and a part of it to the Corinthian Gulf.

The prefecture is mainly mountainous, the highest mountains are the mountains o Ziria (highest peak 2341 meters). The plains of the prefecture are mainly around the city of Corinth, near the Corinth Canal and near Loutraki, the rest of the island is mainly mountainous. The only lake on the Corinthian prefecture of Peloponnese is Stymfalis (Stymfalia), but there is one lake more, the lake of Vouliagmeni on the part of Corinth in Central Greece.

Corinthia belongs to the most fertile prefectures but also economically developed prefectures of Greece. The economy is based on agriculture, industry, crafts, the processing of agricultural products but also on the tourism industry.

Major agricultural areas are the narrow coastal belt, the valleys of the prefecture, the plains near Feneos, Stymfalia and Nemea. Livestock production is developed mainly in mountainous and hilly areas.

Tourism is well developed because of the Spas of Loutraki and Orea Eleni (Beuatiful Helen), the beautiful coast of the Gulf of Corinth and the ancient sites of Corinth and Acrocorinth. Beautiful beaches are the beaches of Xylokastro and Tolo. In Corinthia are wel developed Ski resorts near Xylokastro on top of the mountain Ziria.