Greece international defender Kostas Manolas has rejoined Olympiakos from Napoli, the Greek champions announced on Thursday.

The 30-year-old centre-back returns after seven years in Italy with Napoli and Roma.

"Kostas, welcome back home," club president Vangelis Marinakis posted on social media.

Manolas played for Olympiakos between 2012 and 2014 after moving from AEK Athens. He will available to play once he is registered in January.

Manolas signed for Napoli from Roma in 2019 in a deal worth a reported 36 million euros.

He has made 42 appearances for Greece.