The Manus Regional Processing Centre, or Manus Island Regional Processing Centre (MIRCP), was one of a number of offshore Australian immigration detention facilities. The centre was located on the PNG Navy Base Lombrum on Los Negros Island in Manus Province, Papua New Guinea.

Lombrum Naval Base, also known as HMPNGS Tarangau and formerly PNG Defence Force Base Lombrum, is a naval military base operated by the Maritime Operations Element of the Papua New Guinea Defence Force (PNGDF). It is located on Manus Island in Papua New Guinea. Lombrum is the home port of the PNGDF's Pacific-class patrol boat force.