The National Lottery is remaining tight-lipped about where last night's €66m ticket was sold.
An Irish EuroMillions ticket-holder scooped half of last night's jackpot, which was worth €132m. The jackpot will be shared with a winner in France.
It is Ireland's third biggest EuroMillions win.
However, as yet there has been no indication on where exactly in the country the ticket was sold.
The winning numbers in the draw were: 1, 5, 23 ,29 and 32. The bonus lucky star numbers were 1 and 7.
Both winners will receive a prize of €66,188,316.
The Irish winner has 90 days to claim the prize.
The big win has people talking about what they would do with €66m: