Career
He is mainly a left winger, but he can also play as a left back. APOEL
Alexandrou re-signed at APOEL on summer of 2008. His return came with the success of winning the 2008-2009 Cypriot First Division, with Nektarios being an instrumental part of the team
He also appeared in four official 2009-2010 Union of European Football Associations Champions League group stage matches with APOEL. He also appeared in six 2011-2012 Union of European Football Associations Champions League matches for APOEL, in the club"s surprising run to the quarter-finals of the competition, including the round-of-16 triumph over Olympique Lyonnais where he converted his attempt in the penalty shootout.
During the 2013-2014 season, he appeared in five group stage matches of APOEL"s Union of European Football Associations Europa League participation and scored the opening goal in APOEL"s 2–1 victory against Bordeaux at Generalized System of Preferences Stadium. Alexandrou made his only group stage appearance in APOEL"s 2014-2015 Union of European Football Associations Champions League campaign on 10 December 2014, playing the full 90 minutes in his team"s 4–0 defeat against Ajax at Amsterdam Arena.
Larissa
On summer of 2006 he moved to Larissa in Greece. Together with Efstathios Aloneftis were part of an important Larissa investment on Cypriot young players.
Alexandrou was considered one of the most important players for Larissa after the team returned to the Super League Greece.He became a starter in Larissa"s roster and in the 2007/08 season, scoring important goals in both domestic and European competitions, including a goal against Russian champions Football Club Zenit Saint St. Petersburg.
On 13 August 2008, it was announced by Larissa"s official website that Alexandrou"s contract was terminated. The reason was unknown. Alexandrou made his international debut with Cyprus National Team on 1 March 2006, in a friendly match against Armenia at Tsirion Stadium, coming on as an 74th-minute substitute in Cyprus" 2–0 victory.
APOEL
Cypriot First Division (7): 2001-2002, 2003-2004, 2008-2009, 2010-2011, 2012-2013, 2013-2014, 2014-2015
Cypriot Cup (3): 2005-2006, 2013-2014, 2014-2015
Cypriot Super Cup (6): 2002, 2004, 2008, 2009, 2011, 2013
Larissa
Greek Cup (1): 2006-2007.