[3][4] On 9 April, Limerick won the National Hurling League for the fourteenth time after a 2–20 to 0–15 win against Kilkenny in the final.
[5] League structure Thirty-five teams compete in the 2023 NHL – All thirty-two county teams from Ireland take part.
London, Lancashire and Warwickshire complete the lineup.
The top two teams in each group qualifies for the NHL semi-finals.
[4] NHL semi-finals Relegation play-off NHL semi-finals Relegation play-off The bottom teams in the two Division 1 groups meet in a play-off with the losers being relegated to Division 2A.