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.
Go-Ahead Ireland to Create 400 Jobs Boosting Public Transport in Wicklow
Pat Devlin Calls Time After Four Decades With Bray Wanderers
Wicklow Musician Earns National Business Award For Merging Traditional Culture And Wedding Celebration
Wicklow CYPSC Launch Detailed Project Underlining Importance Of Sleep For Children
Visit Wicklow Digital Campaign Takes Home Prestigious IDI Award