| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Iabaru Number 1 | city | Sandaun Province | Papua New Guinea | -3.9666667 | 141.2166667 | 462 | 719 |
| Iabaru Number 2 | city | Sandaun Province | Papua New Guinea | -3.9666667 | 141.1833333 | 482 | 719 |
| Iaburu | city | Sandaun Province | Papua New Guinea | -4.55 | 141.0333333 | 905 | 822 |
| Iaburu | city | Sandaun Province | Papua New Guinea | -3.9666667 | 141.2166667 | 462 | 719 |
| Iafar 1 | city | Sandaun Province | Papua New Guinea | -3.5 | 141.1166667 | 1699 | 719 |
| Iafar 2 | city | Sandaun Province | Papua New Guinea | -3.5166667 | 141.1333333 | 1656 | 719 |
| Iafar 3 | city | Sandaun Province | Papua New Guinea | -3.5166667 | 141.1166667 | 1794 | 719 |
| Iafar Number 1 | city | Sandaun Province | Papua New Guinea | -3.5 | 141.1166667 | 1699 | 719 |
| Iafar Number 2 | city | Sandaun Province | Papua New Guinea | -3.5166667 | 141.1333333 | 1656 | 719 |
| Iafar Number 3 | city | Sandaun Province | Papua New Guinea | -3.5166667 | 141.1166667 | 1794 | 719 |
| Ialindubip | city | Sandaun Province | Papua New Guinea | -4.7 | 141.0166667 | 2080 | 822 |
| Iapsiginabip | city | Sandaun Province | Papua New Guinea | -4.7166667 | 141.0333333 | 2388 | 822 |
| Iaptabinabip | city | Sandaun Province | Papua New Guinea | -4.7 | 141.0333333 | 1935 | 822 |
| Ibagum | city | Sandaun Province | Papua New Guinea | -3.5833333 | 141.2 | 1108 | 719 |
| Ibarfornbek | city | Sandaun Province | Papua New Guinea | -5.2166667 | 141.9 | 9140 | 579 |
| Ibiac | city | Sandaun Province | Papua New Guinea | -3.65 | 141.2333333 | 1007 | 719 |
| Ibuhu | city | Sandaun Province | Papua New Guinea | -4.55 | 141.0333333 | 905 | 822 |
| Iburu | city | Sandaun Province | Papua New Guinea | -3.9333333 | 141.1 | 711 | 719 |
| Idam | city | Sandaun Province | Papua New Guinea | -3.9666667 | 141.2166667 | 462 | 719 |
| Idam | city | Sandaun Province | Papua New Guinea | -4.1 | 141.25 | 728 | 719 |
| Idam 1 | city | Sandaun Province | Papua New Guinea | -4.1 | 141.25 | 728 | 719 |
| Idoli | city | Sandaun Province | Papua New Guinea | -3.0333333 | 141.1333333 | 836 | 719 |
| Ifani | city | Sandaun Province | Papua New Guinea | -2.8833333 | 141.2333333 | 669 | 719 |
| Ifigeri | city | Sandaun Province | Papua New Guinea | -3.5833333 | 141.2 | 1108 | 719 |
| Ifkindu | city | Sandaun Province | Papua New Guinea | -3.6833333 | 142.5 | 948 | 722 |
| Iframinag | city | Sandaun Province | Papua New Guinea | -3.6 | 141.2 | 1115 | 719 |
| Iframinag Number 1 | city | Sandaun Province | Papua New Guinea | -3.6 | 141.2 | 1115 | 719 |
| Iframinag Number 2 | city | Sandaun Province | Papua New Guinea | -3.6166667 | 141.2 | 1751 | 719 |
| Igasi | city | Sandaun Province | Papua New Guinea | -3.7666667 | 141.3166667 | 613 | 719 |
| Ilis | city | Sandaun Province | Papua New Guinea | -3.05 | 141.1 | 882 | 719 |
| Illis | city | Sandaun Province | Papua New Guinea | -3.05 | 141.1 | 882 | 719 |
| Ilol | city | Sandaun Province | Papua New Guinea | -2.9 | 141.2166667 | 570 | 719 |
| Ilop | city | Sandaun Province | Papua New Guinea | -2.9 | 141.2166667 | 570 | 719 |
| Ilup | city | Sandaun Province | Papua New Guinea | -2.9 | 141.2166667 | 570 | 719 |
| Ilup Camp | city | Sandaun Province | Papua New Guinea | -3.0166667 | 141.1666667 | 820 | 719 |
| Ima | city | Sandaun Province | Papua New Guinea | -2.9 | 141.3 | 498 | 719 |
| Imbio | city | Sandaun Province | Papua New Guinea | -2.9333333 | 141.4333333 | 360 | 719 |
| Imbio 1 | city | Sandaun Province | Papua New Guinea | -2.9333333 | 141.4333333 | 360 | 719 |
| Imbio 2 | city | Sandaun Province | Papua New Guinea | -2.9 | 141.4166667 | 282 | 719 |
| Imbio 3 | city | Sandaun Province | Papua New Guinea | -2.9333333 | 141.45 | 370 | 719 |
| Imbio Number 3 | city | Sandaun Province | Papua New Guinea | -2.9333333 | 141.45 | 370 | 719 |
| Imbiyip | city | Sandaun Province | Papua New Guinea | -3.75 | 142.4333333 | 718 | 719 |
| Imbringis | city | Sandaun Province | Papua New Guinea | -2.9666667 | 141.3833333 | 416 | 719 |
| Imbrini | city | Sandaun Province | Papua New Guinea | -2.9666667 | 141.3833333 | 416 | 719 |
| Imbrinis | city | Sandaun Province | Papua New Guinea | -2.9666667 | 141.3833333 | 416 | 719 |
| Imonda | city | Sandaun Province | Papua New Guinea | -3.3333333 | 141.1666667 | 1000 | 719 |
| Imonda on the Rocks | city | Sandaun Province | Papua New Guinea | -3.3333333 | 141.1666667 | 1000 | 719 |
| Inebu | city | Sandaun Province | Papua New Guinea | -3.3833333 | 141.9333333 | 1745 | 719 |
| Iribumkiak | city | Sandaun Province | Papua New Guinea | -5.0833333 | 141.6333333 | 6971 | 719 |
| Irimuri | city | Sandaun Province | Papua New Guinea | -4.0166667 | 141.7833333 | 236 | 874 |
| Irimuri Hamlet | city | Sandaun Province | Papua New Guinea | -4.0166667 | 141.7833333 | 236 | 874 |
| Irimuru | city | Sandaun Province | Papua New Guinea | -4.0166667 | 141.7833333 | 236 | 874 |
| Isaguam | city | Sandaun Province | Papua New Guinea | -4.0666667 | 141.2333333 | 639 | 719 |
| Isi | city | Sandaun Province | Papua New Guinea | -2.8333333 | 141.6166667 | 68 | 299 |
| Isi 1 | city | Sandaun Province | Papua New Guinea | -2.9166667 | 141.2333333 | 544 | 719 |
| Isi 2 | city | Sandaun Province | Papua New Guinea | -2.9333333 | 141.2333333 | 567 | 719 |
| Isi Number 1 | city | Sandaun Province | Papua New Guinea | -2.9166667 | 141.2333333 | 544 | 719 |
| Isi Number 2 | city | Sandaun Province | Papua New Guinea | -2.9333333 | 141.2333333 | 567 | 719 |
| Isu | city | Sandaun Province | Papua New Guinea | -4.0833333 | 141.1166667 | 567 | 719 |
| Isu 1 | city | Sandaun Province | Papua New Guinea | -4.0833333 | 141.1333333 | 557 | 719 |
| Isu 2 | city | Sandaun Province | Papua New Guinea | -4.0833333 | 141.1166667 | 567 | 719 |
| Itomi | city | Sandaun Province | Papua New Guinea | -3.4166667 | 141.3833333 | 895 | 719 |
| Itumsigin | city | Sandaun Province | Papua New Guinea | -4.85 | 141.1833333 | 3120 | 719 |
| Iualbit | city | Sandaun Province | Papua New Guinea | -4.8666667 | 141.2166667 | 3510 | 719 |
| Iumdelmin 1 | city | Sandaun Province | Papua New Guinea | -4.75 | 141.0166667 | 5157 | 822 |
| Iumdelmin 2 | city | Sandaun Province | Papua New Guinea | -4.7333333 | 141.05 | 2896 | 719 |
| Iumdelmin Number 1 | city | Sandaun Province | Papua New Guinea | -4.75 | 141.0166667 | 5157 | 822 |
| Iumdelmin Number 2 | city | Sandaun Province | Papua New Guinea | -4.7333333 | 141.05 | 2896 | 719 |
| Iuri 1 | city | Sandaun Province | Papua New Guinea | -3.7666667 | 141.0833333 | 1036 | 719 |
| Iuri 3 | city | Sandaun Province | Papua New Guinea | -3.7666667 | 141.0833333 | 1036 | 719 |
| Iuri Number 1 | city | Sandaun Province | Papua New Guinea | -3.7666667 | 141.0833333 | 1036 | 719 |
| Iuri Number 2 | city | Sandaun Province | Papua New Guinea | -3.7833333 | 141.1 | 1000 | 719 |
| Iuri Number 3 | city | Sandaun Province | Papua New Guinea | -3.7666667 | 141.0833333 | 1036 | 719 |
| Ivieg | city | Sandaun Province | Papua New Guinea | -3.6333333 | 141.2166667 | 1292 | 719 |
| Iwani | city | Sandaun Province | Papua New Guinea | -3.9 | 141.75 | 357 | 719 |
| Iwau | city | Sandaun Province | Papua New Guinea | -4.0666667 | 141.5666667 | 987 | 753 |
| Iwis | city | Sandaun Province | Papua New Guinea | -2.8833333 | 141.2333333 | 669 | 719 |
| Iwiss | city | Sandaun Province | Papua New Guinea | -2.8833333 | 141.2333333 | 669 | 719 |
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