[1] Antrim, winner of the 2022 final, were promoted to the Leinster Senior Hurling Championship, replaced by Laois who were relegated back to this competition.
[3] The top 2 teams from the round robin stage played off in the final to decide the winner, with Carlow defeating Offaly.
[5] Relegated from the Leinster Senior Hurling Championship Promoted from the Christy Ring Cup Promoted to the All-Ireland Senior Hurling Championship Relegated to the Christy Ring Cup Initially each of the six teams play the other five teams in single round-robin matches.
The top two teams after the round robin games compete in the Joe McDonagh Cup final.
The participating teams, listed by province, with numbers in parentheses indicating final positions in the 2023 National Hurling League before the championship were: Connacht (0) Leinster (4) Munster (1) Ulster (1) Six counties will compete in the Joe McDonagh Cup: Carlow are promoted to the 2024 Leinster Senior Hurling Championship, replacing Westmeath.