Irish Prime Minister Michael Martin confirmed the introduction of the strictest restrictions in the fight against the coronavirus, Hina reported.
The measures will last for six weeks and take effect at midnight.
Retail establishments will be closed, the movement of citizens up to five kilometers from their residential address will be restricted, and restaurants and pubs will only have delivery.
Schools will remain open and construction work will continue.
"In an effort to contain the virus, we have introduced what is probably Europe's strictest regime," Martin said in a televised address.
On Sunday, Ireland broke its record for the number of infected cases in a single day for the fifth time in nine days.
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