The Glasgow club have a rich history that has a distinct Irish flavour to it - Goal takes a look at the connection
Celtic hold the distinction of being the first British club to win the European Cup and they are among Britain's best supported teams.
However, while they are undoubtedly Scottish and British, the Glasgow outfit have a strong connection to Ireland and a unique affinity with Irish supporters.
Where did it come from and how has their identity developed? Goal takes a look at Celtic's enduring association with Ireland.