Casalvecchio (Arbëreshë Albanian: Kazallveqi) is an Arbëreshë comune and village in the Province of Foggia, Apulia, southern Italy.

Mostly originating from a 15th-century migration of Albanians, the residents have subsisted by family farming.

Arbëresh is the official language together with Italian In 1461 near Monte Gargano, in the southeastern Apennine Mountains, a group of 5000 immigrants from Albania fled the enculturation of the Ottoman Turks and Islam.

This part of Apulia was granted to the incomers by the king of Naples.

This Apulia location article is a stub.