| Name | Population | Latitude/Longitude |
| 1 | Port Moresby, National Capital |
283,733 |
-9.465 / 147.192 |
| 2 | Lae, Morobe |
76,255 |
-6.733 / 147 |
| 3 | Arawa, Bougainville |
40,266 |
-6.217 / 155.55 |
| 4 | Mount Hagen, Western Highlands |
33,623 |
-5.867 / 144.217 |
| 5 | Popondetta, Northern |
28,198 |
-8.767 / 148.233 |
| 6 | Madang, Madang |
27,419 |
-5.217 / 145.8 |
| 7 | Kokopo, East New Britain |
26,273 |
-4.35 / 152.267 |
| 8 | Mendi, Southern Highlands |
26,252 |
-6.15 / 143.65 |
| 9 | Kimbe, West New Britain |
18,847 |
-5.55 / 150.15 |
| 10 | Goroka, Eastern Highlands |
18,503 |
-6.083 / 145.383 |