Born in Kavala, Greece, Georgiadis' family, soon after his birth, left for Stuttgart, Germany, where young Giorgos first learned to play football. He returned to Greece, as a teenager and signed up for amateur side Keravnos Krinides. Soon he was discovered by Alpha Ethniki club Doxa Drama who signed him at age 17. He transferred to powerhouse Panathinaikos and played for the Athens greens from the 1993 until the 1998 season. He was member of the squad who reached the Champions League semi finals in 1995–96. His exposure to European football brought an offer from English Premiership side, Newcastle United, for £420,000 and Georgiadis joined fellow Greek Nikos Dabizas at St James' Park in the 1999 season. During that year, Newcastle United made it to the FA Cup Final but lost out to Manchester United. It was in the FA Cup that Georgiadis scored his only Newcastle goal, in the 4–1 win over Everton. Georgiadis returned to Greece to play for PAOK Thessaloniki FC from 2000 until 2003 before transferring to Olympiakos. Georgiadis was also a member of the Greece squad that won the UEFA Euro 2004. He was released by Olympiakos after the 2005 season and was signed up by Iraklis Thessaloniki. After one and a half season with Iraklis, Georgiadis left the club as a free transfer to PAOK FC in January 2007. On 1 July 2008 he retired from professional football as a player. He has been capped 61 times and has scored 11 goals for Greece. He won three Greek First Division with Panathinaikos and Olympiakos and six Greek Cups with Panathinaikos, Olympiakos and PAOK.
Managerial career
On 5 May it was announced that Georgiadis was appointed as a scout at his former club. Georgios Georgiadis after was called up to coach the Greece U21, after the previous coach Nikos Nioplias was named to coach Panathinaikos FC. In May 2013, Georgiadis was appointed caretaker manager for PAOK in place of Giorgos Donis successfully steering them to a 1st-place finish in the Super League playoffs. In March 2014, was appointed, for once more, caretaker manager for PAOK in place of Huub Stevens. In March 2015, was appointed, for once more, caretaker manager for PAOK in place of Angelos Anastasiadis. On 18 June 2015, he was appointed as Veria F.C. manager. On 5 September 2016, he was appointed Trikala F.C. manager. On 13 January 2018, returned to PAOK appointed as a scout working for Ľuboš Micheľ in finding Greek young talents.
