| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Iau | city | Northern | Papua New Guinea | -9.83 | 148.80 | 4337 | 596 |
| Iauacaná | city | Amazonas | Brazil | 0.55 | -67.40 | 272 | 0 |
| Iaualo | city | Amara | Ethiopia | 9.92 | 39.02 | 5029 | 14741 |
| Iauare | city | Para | Brazil | -7.88 | -57.18 | 830 | 0 |
| Iauaretê | city | Amazonas | Brazil | 0.61 | -69.19 | 331 | 0 |
| Iauaretê | city | Amazonas | Brazil | 0.45 | -67.37 | 262 | 0 |
| Iauasc | city | Amara | Ethiopia | 10.17 | 37.82 | 7549 | 14723 |
| Iaudari | city | Northern | Papua New Guinea | -8.37 | 147.85 | 393 | 596 |
| Iaudobu | city | Central | Papua New Guinea | -9.63 | 147.67 | 846 | 596 |
| Iauga | city | Western | Papua New Guinea | -9.12 | 142.20 | 3 | 107 |
| Iauibari | city | Gulf | Papua New Guinea | -7.20 | 143.77 | 921 | 298 |
| Iaukeny | city | Jekabpils Novads | Latvia | 56.28 | 25.78 | 830 | 341 |
| Iaukramo | city | Lacs | Cote D'Ivoire (Ivory Coast) | 7.22 | -3.83 | 830 | 2634 |
| Iaun Number One | city | Bougainville | Papua New Guinea | -5.70 | 155.13 | 0 | 1208 |
| Iaunari | city | Amazonas | Brazil | -0.52 | -64.83 | 154 | 0 |
| Iaupolo | city | Milne Bay | Papua New Guinea | -9.57 | 150.49 | 19 | 844 |
| Iaura | city | Central | Papua New Guinea | -9.78 | 148.10 | 1669 | 596 |
| Iaurare | city | Para | Brazil | -7.88 | -57.18 | 830 | 0 |
| Iaure | city | Northern | Papua New Guinea | -9.30 | 148.16 | 2903 | 596 |
| Iauretê | city | Amazonas | Brazil | 0.61 | -69.19 | 331 | 0 |
| Iaurinum | city | Gyor | Hungary | 47.69 | 17.64 | 360 | 76447 |
| Iauru | city | Federated States of Micronesia | United States | 7.24 | 144.45 | 0 | |
| Iautmaykyay | city | Akmene | Lithuania | 56.29 | 23.07 | 262 | 1064 |
| Iauwiangil | city | Southern Highlands | Papua New Guinea | -6.20 | 143.93 | 6929 | 1937 |