Your Guide to Puglia’s Best Beaches Puglia is a narrow peninsula at the heel of Italy’s boot that is nestled between the Ionian Sea to the west and the Adriatic Sea to the east. Known for its incredible seafood, sun, and 500 miles of coastline, it’s no wonder that Puglia is the ultimate destination for a beach vacation. Many of the region’s beaches have received a Blue Flag, an international recognition given to beaches with superior water quality, environmental management and education, and accessibility.