The Inter-Regional Championships are a junior competition in which the 10 Volleyball Regional Associations enter teams into the U15 Boys, U15 Girls, U17 Boys and U17 Girls competitions.

Wales were introduced the 10th Region for the first time in 2025. It is the final junior indoor event of the season. 

The 2025 Inter-Regional Championships took place between 24th and 26th May at the National Volleyball Centre, Kettering. 

Details of the 2026 competition will be posted here once available.