Twinned Cities
Rhodes 19 June 1970
Alexandria 25 November 1972
Thessaloniki 30 June 1984
Ioannina 2 July 1984
Heraklion 25 March 1989
Patras 1st September 2001
Zakynthos 4 April 1998
Niederkassel 29 March 1989
Marseilles 3 May 1992
Nanjing 24 September 1992
Haifa 9 September 2000

