Laiagam is situated in the west of Enga Province, Papua New Guinea. It is the main town of the newly created Lagaip District; after it was separated from the then Lagaip-Porgera District by the Papua New Guinea Parliament through an Act passed in 2021. It is still the largest and most populated district of Enga's five administrative districts.

5°17′S 143°46′E/5.283°S 143.767°E/ -5.283; 143.767