Nottingham Forest can confirm that Greek international midfielder Panagiotis Tachtsidis has signed a deal with the club until the summer of 2020.

The 27-year-old moves to The City Ground having left Olympiacos where he made 17 appearances last season, including three in the Champions League.

Tachtsidis has spent the majority of his career in Italy, where he featured for Genoa, Roma, Torino and Cagliari among others and made close to 200 Serie A appearances.

The 25-cap international was part of Greece's squad at the 2014 World Cup and has penned a deal with Aitor Karanka's side until the summer of 2020.