The 28-year-old has signed a three-year contract with Napoli and joins the club in a £6.4million deal.
“I am in seventh heaven,” Pandev told calciomercato.com.
“I wanted to stay at Napoli at all costs after a year in which I felt right at home.
“I have great confidence in this project and I am convinced that the victory in the Coppa Italia final is just the beginning of a great time for this club.
“I hope I can end my career at Napoli.”