| Název | Obyvatele | Nad. výška | Souřadnice | 
| Uabinna | 
 | 192 m | 6°13' S; 142°9' E | 
| Ubiri | 
 | 5 m | 8°49' S; 143°22' E | 
| Udamobi | 
 | 210 m | 6°10' S; 142°13' E | 
| Udarobi | 
 | 342 m | 6°10' S; 142°28' E | 
| Uganon | 
 | 209 m | 6°22' S; 142°15' E | 
| Ugumara | 
 | 336 m | 6°28' S; 142°34' E | 
| Ugwalumbi | 
 | 306 m | 6°16' S; 142°26' E | 
| Ukimata | 
 | 174 m | 6°10' S; 142°4' E | 
| Ukusi | 
 | 2 m | 7°54' S; 143°43' E | 
| Uladu | 
 | 125 m | 7°55' S; 142°56' E | 
| Umabibi | 
 | 278 m | 6°16' S; 142°25' E | 
| Umabiwiba | 
 | 278 m | 6°16' S; 142°25' E | 
| Umbunantap | 
 | 609 m | 5°19' S; 141°4' E | 
| Ume | 
 | 21 m | 8°58' S; 143°1' E | 
| Unawobi | 
 | 224 m | 6°16' S; 142°19' E | 
| Unewa | 
 | 69 m | 6°34' S; 141°26' E | 
| Ungerem 1 | 
 | 
 | 6°31' S; 141°7' E | 
| Ungerem Number 1 | 
 | 
 | 6°31' S; 141°7' E | 
| Ungerem | 
 | 116 m | 6°28' S; 141°3' E | 
| Ungerum | 
 | 116 m | 6°31' S; 141°7' E | 
| Uparua | 
 | 35 m | 8°37' S; 141°37' E | 
| Upiara | 
 | 16 m | 8°33' S; 142°39' E | 
| Uradu | 
 | 37 m | 7°52' S; 143°3' E | 
| Uramogi | 
 | 245 m | 6°16' S; 142°20' E | 
| U-ria | 
 | 134 m | 8°37' S; 142°58' E | 
| Urime | 
 | 112 m | 5°58' S; 141°34' E | 
| Urio | 
 | 3 m | 8°13' S; 143°24' E | 
| Urme | 
 | 112 m | 5°58' S; 141°34' E | 
| Usokof | 
 | 59 m | 6°54' S; 141°34' E | 
| Usuma | 
 | 242 m | 6°34' S; 142°25' E | 
| Uwan | 
 | 15 m | 6°20' S; 141°4' E | 
| Uwaribinna | 
 | 214 m | 6°13' S; 142°15' E | 
| Uwon | 
 | 15 m | 6°20' S; 141°4' E | 
| Krok zpět, Ukázat kontinenty ... | 
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