Over a fifth of domestic holidays in Ireland last year were spent in Kerry and Cork.
Failte Ireland research shows that the south west remains the most popular destination for the home market.
However, there is competition from the south-east which covers Carlow, Kilkenny, Wexford, Waterford and south Tipperary.
Irish holidaymakers cut back on longer breaks last year instead opting for short breaks which increased by 5 per cent.
58 per cent of Irish people holidayed at least once at home in 2015.