De Silva, 17, who has represented Australia at under 17 and under 20 level, was signed by the Italian side for an undisclosed fee.

The midfielder, who has made 15 A-League appearances for Glory, will remain at the Perth club for the new A-League season before leaving.

"This is a great opportunity for Daniel and is a clear indication of the talent that he has," Perth Glory chief executive Jason Brewer said.

"To have Daniel remain with Glory for the upcoming season is also a great result for the club."