remand centre 
noun
(In the UK and Canada) an institution in which people accused of a crime are held in custody while awaiting trial.Lancaster Farms opened in March 1993 as a remand centre and young offender institution....
- The survey included 1066 teenagers and adults living in a juvenile detention centre, a remand centre, or facilities for the homeless in Moscow.
- However, we bear in mind that the possibility of collusion cannot be entirely ruled out as all these witnesses were held on remand at the same remand centre.