Polignano a Mare is a town and comune in the province of Bari, Apulia, southern Italy, located on the Adriatic Sea. Economy is mostly based on tourism, agriculture and fishing.
The area was settled since prehistoric times, as shown by archaeological excavations in the locality of Santa Barbara. It is believed that is the site of the ancient Greek city of Neapolis of Apulia, not mentioned by any authors, but attested by many coins. Remains of the Roman domination include the bridge on the Via Traiana. The former cathedral includes works by the sculptor Stefano of Putignano. In the frazione of San Vito is a massive Benedictine abbey.