Corinth (/ˈkɒrɪnθ/ KORR-inth; Greek: Κόρινθος, romanized: Kórinthos, Modern Greek pronunciation: [ˈkorinθos]) is a municipality in Corinthia in Greece. The successor to the ancient city of Corinth, it is a former municipality in Corinthia, Peloponnese, which is located in south-central Greece. Since the 2011 local government reform, it has been part of the municipality of Corinth, of which it is the seat and a municipal unit. It is the capital of Corinthia.

It was founded as Nea Korinthos (Νέα Κόρινθος), or New Corinth, in 1858 after an earthquake destroyed the existing settlement of Corinth, which had developed in and around the site of the ancient city.

Corinth derives its name from Ancient Corinth, a city-state of antiquity. The site was occupied from before 3000 BC.

Historical references begin with the early 8th century BC, when ancient Corinth began to develop as a commercial center. Between the 8th and 7th centuries, the Bacchiad family ruled Corinth. Cypselus overthrew the Bacchiad family, and between 657 and 585 BC, he and his son Periander ruled Corinth as the Tyrants.

In about 585 BC, an oligarchical government seized power. This government later allied with Sparta within the Peloponnesian League, and Corinth participated in the Persian Wars and Peloponnesian War as an ally of Sparta. After Sparta's victory in the Peloponnesian war, the two allies fell out with one another, and Corinth pursued an independent policy in the various wars of the early 4th century BC. After the Macedonian conquest of Greece, the Acrocorinth was the seat of a Macedonian garrison until 243 BC, when the city joined the Achaean League.

Nearly a century later, in 146 BC, Corinth was captured and was completely destroyed by the Roman army.

As a newly rebuilt Roman colony in 44 BC, Corinth flourished and became the administrative capital of the Roman province of Achaea.

A major earthquake struck Corinth and its region in 856, causing around 45,000 deaths.