Buckinghamshire won the title by defeating Devon in the final by 550 runs.
Teams receive 16 points for a win, 8 for a tie and 4 for a draw.
The final featured the teams which finished with the most points in each Division One, Buckinghamshire and Devon.
It began on 3 September 2023 at Sandwell Park with the result being a victory for Buckinghamshire by 550 runs.
Buckinghamshire won their tenth title, with previous one being one in 2009, whilst Devon's most recent victory was in 2011.