Bank of Ireland is closing 88 branches in the Republic, and 15 in Northern Ireland.
The branches, due to close by the end of September, are mainly self-service which don't have a counter service.
It says they all have a post office within 500 metres on average.
The bank is entering into a new partnership with An Post to offer banking services at over 900 locations, with longer opening hours.
Elderly Man Hospitalised With Serious Injuries Following Bray Bus Collision
Snow Warning Issued For Wicklow After A Day of Wind and Rain
Arklow Born Olympic legend Ronnie Delany — Immortalised Forever In Gold Dies Aged 91
Wicklow To Receive Government Funding To Bring Vacant Local Authority Homes Back Into Use
Major Wicklow Train Station Upgrade Moves Ahead as DART Plans Progress