There’s no doubting that Celtic are one of the most well supported clubs on the planet and have fans from all four corners of the world.
The beginning of the season is now just weeks away and Brendan Rodgers’ charges will be looking to continue their dominance over Scottish Premiership rivals Rangers with the opening game of the season now just over a month away.
However, before the domestic league action starts, Celtic fans have a number of intriguing pre-season games to play and fans are sure to attend in their droves, as they have done for decades. What are your best memories of your pre-season tours with the Hoops?
Here are 20 of the best photos of Celtic fans attending pre-season games across the world.
9. Pre-season in the valleys!
Celtic fans let off a flare during the pre season friendly between Swansea City in 2011. | Getty Images
10. At the Etihad
Celtic fans soak up the atmosphere ahead of the game with Manchester City in 2009. | PA
11. Doing the Poznan
Celtic fans do the 'Poznan' ahead of The Dublin Super Cup game against Inter Milan at the Aviva Stadium. | PA
12. Getting the signature
Celtic's Moussa Dembele signs a young fan's shirt ahead of the pre-season friendly match against Shamrock Rovers at the Tallaght Stadium. | PA