With venue yet to be announced, Moresby will hosts the Papua New Guinea Kumuls’ three pool matches in the RLWC2017 from 27 Oct to 2 Dec 2017.
The RLWC2017 will see 14 teams play 28 games over five weeks, all hoping to be crowned world champions.
With 11 teams already confirmed, the final three teams will come from the European Qualifying Tournament to be played in Oct and Nov this year.
The teams who are still in the race include Wales, Ireland, Russia, Serbia, Italy and Spain.