The disc - featuring music from the show's season one finale - pushes Glee: The Music, Volume III down to second place following a three-week reign at number one. It is the fourth Glee album to top the charts in Ireland.
Mumford & Sons take third place this week with Sigh No More, while Oasis score the highest new entry at fourth with compilation album Time Flies.
Lady GaGa's The Fame Monster completes the top five.
The top ten albums in full (click where possible for our reviews):
1. (14) Glee Cast: 'Glee: The Music, Journey To Regionals'
2. (1) Glee Cast: 'Glee: The Music, Volume III'
3. (5) Mumford & Sons: 'Sigh No More'
4 (-) Oasis: 'Time Flies... 1994-2009'
5. (2) Lady GaGa: 'The Fame Monster'
6. (3) Justin Bieber: 'My Worlds'
7. (6) Florence and the Machine: 'Lungs'
8. (9) Michael Bublé: 'Crazy Love'
9. (4) Christina Aguilera: 'Bionic'
10. (8) Glee Cast: 'Glee: The Music, Volume I'