[7] Participating counties (6): Dublin, Galway, Kilkenny, Laois, Westmeath, Wexford Group stage (15 matches): Each team plays each other once.

Participating counties (5): Clare, Cork, Limerick, Tipperary, Waterford Group stage (10 matches): Each team plays each other once.

Participating counties (6): Antrim, Carlow, Down, Kerry, Meath, Offaly Group stage (15 matches): Each team plays each other once.

Preliminary quarter-finals (2 matches): The 3rd placed teams from the Leinster and Munster championships play the Joe McDonagh Cup champions and runners-up.

Antrim beat Kerry in the 2022 Joe McDonagh Cup final and were promoted to the 2023 Leinster Senior Hurling Championship.

Laois were relegated to the 2023 Joe McDonagh Cup as they finished last in the 2022 Leinster Senior Hurling Championship.

RTÉ, the national broadcaster in Ireland, provided the majority of the live television coverage of the hurling championship with 17 games shown.

The panel consisting of Jackie Tyrrell, Brendan Cummins, Donal Óg Cusack, Davy Fitzgerald, Shane Dowling, and Ursula Jacob chose Diarmaid Byrnes as the Sunday game player of the year from a list that also contained TJ Reid and Barry Nash.