HM Prison Rye Hill is a Category B men's private prison, operated by G4S. Rye Hill has exclusively housed sex offenders since 2014.http://www.rugbyadvertiser.co.uk/news/prison-near-rugby-to-become-national-centre-for-sex-offenders-1-6101867 The prison is situated next to HMP Onley, in the parish of Barby, Northamptonshire, England. However, the postal address of the prison is Willoughby, Warwickshire; therefore, most sources list the prison as in Willoughby, Warwickshire.