Nafpaktos is a town with a history of 3.500 years. It is well known for the naval battle of Lepanto, which took in place in 1571. It was a clash between the fleet of the allied Christian and Ottoman forces in the Gulf of Corinth close to Lepanto (as Nafpaktos was called that days). The victory of the so called Holy League was significant as it stopped the expansion of the Ottoman Empire into the Mediterranean.

Nafpaktos is dominated by a Venetian castle on the top of a hill some hundred meters above the town. The castle has some of the largest and most well-preserved fortifications in Greece and offers breathtaking views towards the Gulf of Corinth with the beautiful Rio-Antirio bridge, the opposite coasts of Peloponnesus and Nafpaktos and its Venetian harbour.

Nowadays Nafpaktos is considered being one of the most picturesque places in mainland Greece with a medieval character, beautiful beaches and green hilly surroundings.