detention centre

/D IH0 T EH1 N SH AH0 N S EH0 N T ER0/
noun
  1. 1

    A facility in which people are detained (held in custody); a jail.

  2. 2

    An immigration detention facility; a facility in which people who have attempted to enter Australia without prior authorisation are detained, pending a decision on whether they are to be accepted as refugees or returned to their country of origin.

  3. 3

    A concentration camp.

Source: https://en.wiktionary.org/wiki/detention%20centre