Paxos or Paxoi  is the smallest island group within the Ionian Islands. The largest islands are Paxos and nearby Antipaxos. Antipaxos is famous for its wine and two of the finest sand beaches in the Ionian Sea. The main town of Paxoi, and the seat of the municipality, is Gaios.

The municipality has an area of 30.121 km2.In Greek mythology, Poseidon created the island by striking Corfu with his trident, so that he and his wife Amphitrite could have some peace and quiet.