Paia (Greek: Πάϊα) is a former municipality in Achaea, West Greece, Greece.

[2] The municipality was created after the Greek War of Independence and was dissolved in 1912.

It was recreated in 1998 under the Capodistrian Plan.

Since the 2011 local government reform it is part of the municipality Kalavryta, of which it is a municipal unit.

[4] The municipal unit Paia is subdivided into the following communities (constituent villages in brackets): This Western Greece location article is a stub.