Lotto bosses have revealed the €7.3m winning jackpot ticket was sold in Clifden, Co Galway.
The winning numbers for last Saturday's draw were 03, 07, 18, 36, 40 and 42 and the bonus number was 16.
The lucky winner has yet to make contact so the National Lottery is still urging people from Clifden to check their tickets.
And with a huge increase in staycations this year,a spokesperson reminded those who may be visiting the area to also check their tickets.
The name of the winning store will be announced tomorrow.
A National Lottery spokesperson said: “We can reveal that this winning ticket worth more than €7.3 million was sold in Clifden, the town often referred to as the Capital of Connemara.
"While we will announce the lucky store which sold this ticket tomorrow, we are now asking Lotto players who live in Clifden or for those who may be holidaying in the area to check their Lotto tickets very carefully to see if they are Ireland’s newest multi-millionaire.
"If you are this lucky winner, please sign the back of the ticket and contact our prize claims team on 1800 666 222 or email claims@lottery.ie and we will make arrangements for you to collect your prize.”
Meanwhile, winners have been reminded that top tier prizes of €15,000 and up must be collected by appointment at Lotto HQ.
A National Lottery spokesperson said: “Our priority is always the safety of our employees and our players and given the ongoing health emergency, only a limited team remain on-site at Lotto HQ to facilitate draw and prize claims.
"Top tier prize claims at Lotto HQ are by appointment only and all prize winners of €15,000 and above (€10,000 for online players) are encouraged to contact the National Lottery Claims Department by calling 1800 666 222 or by emailing claims@lottery.ie and arrangements will be made for the prize to be claimed."
This latest Lotto win is the eighth jackpot win so far in 2020 with over €41 million won in jackpot prizes alone.
In 2020, more than €89 million has been won in prizes in the Lotto game which includes 14 new millionaires which have been created in the Lotto and Lotto Plus games.
