Born in Bankstown, the 23-year old will return to the Hyundai A-League after spending the last 18 months in the Greek Super League with PAOK and most recently on loan at Veria FC.
Capped at all levels of the national team, including three times for the Socceroos, Antonis spent five seasons with Sydney FC from 2010-2015, making 69 appearances in the Hyundai A-League.
The midfielder arrives in Sydney tonight and will be available for selection come Round 14 of the Hyundai A-League.
Sydney FC (2010-2015)
Veria FC (2015-16), on loan