Miccoli, who has previously played for Juventus, Fiorentina, Ternana and Benfica, was unveiled as a new Lecce player earlier this week and was delighted to return to the region where he grew up which he chose over a shift to Australia.
"This is a special and historic day for me," Miccoli told reporters.
"In terms of football this is the happiest day of my career. Finally my signature arrived which has been so long in coming.
"The question of level was never an issue, which I have shown with this decision.
"I want to thank the president and director of the club who have shown me affection. And I also want to thank my family who understood my decision. I am happy.
"I also want to thank Melbourne who until the last moment tried to persuade me to join them, focusing on Miccoli the footballer.