Corinth is the capital of Corinthia Municipality and one of the most important ports of Peloponnese. It is the seat of the homonymous Corinthian Municipality and is the second biggest city of Peloponnese District and first of the Prefecture with 58.280 residents, according to 2011 census.

Nemea is located 41 km from Korinthos and is close to the limits of Argolis region. This municipality is surrounded by an abundance of grapevines, which have given Nemea fame for the good wine they produce.

Loutraki, the second biggest urban center of Corinthia, is built on the foot of the Gerania Mountains and is the seat of the Loutraki – Agioi Theodoroi Municipality.