| Name | Population | Altitude | Latitude | Longitude | 
| Uaedaeilli : | 
 | 
 | 38°41'33.0" N | 127°30'43.2" E | 
| Uaesonbawi : | 
 | 
 | 38°44'58.9" N | 127°30'57.6" E | 
| Ubong : | 
 | 1 m | 39°24'20.2" N | 127°21'43.2" E | 
| Udalsan : | 
 | 
 | 38°58'10.9" N | 127°16'33.6" E | 
| Uijuri : | 
 | 
 | 39°10'59.9" N | 127°22'1.2" E | 
| Uinamni : | 
 | 
 | 39°10'0.1" N | 127°22'1.2" E | 
| Ukkamnyong : | 
 | 393 m | 38°19'59.9" N | 127°28'1.2" E | 
| Ukkaraegol : | 
 | 
 | 38°34'59.9" N | 127°35'60.0" E | 
| Umdalmal : | 
 | 297 m | 38°39'36.0" N | 126°55'22.8" E | 
| Umiri : | 
 | 
 | 38°23'44.2" N | 126°48'21.6" E | 
| Umjimal : | 
 | 496 m | 38°31'30.0" N | 127°21'18.0" E | 
| Umnaeri : | 
 | 
 | 38°20'47.0" N | 126°54'18.0" E | 
| Unamni : | 
 | 
 | 38°48'51.1" N | 128°3'57.6" E | 
| Unbangdong : | 
 | 
 | 38°18'52.9" N | 127°4'33.6" E | 
| Undong : | 
 | 
 | 38°19'21.0" N | 127°3'7.2" E | 
| Ungam : | 
 | 543 m | 38°43'48.0" N | 127°50'24.0" E | 
| Ungjilli : | 
 | 
 | 39°7'34.0" N | 127°37'58.8" E | 
| Ungjinni : | 
 | 
 | 39°7'34.0" N | 127°37'58.8" E | 
| Ungnimdong : | 
 | 
 | 38°34'43.0" N | 127°51'36.0" E | 
| Ungol : | 
 | 
 | 38°23'31.9" N | 127°0'39.6" E | 
| Ungongni : | 
 | 
 | 38°41'35.2" N | 128°14'42.0" E | 
| Ungsupo : | 
 | 
 | 38°29'39.1" N | 127°24'0.0" E | 
| Ungyeri : | 
 | 
 | 38°42'52.9" N | 127°35'13.2" E | 
| Unhaengjongni : | 
 | 
 | 38°28'17.0" N | 126°48'43.2" E | 
| Unhandong : | 
 | 
 | 38°45'29.9" N | 127°4'44.4" E | 
| Unhari : | 
 | 
 | 38°34'59.9" N | 126°52'58.8" E | 
| Unhwalli : | 
 | 
 | 38°33'38.9" N | 126°58'33.6" E | 
| Unjinni : | 
 | 
 | 39°7'34.0" N | 127°37'58.8" E | 
| Unjolli : | 
 | 
 | 38°49'7.0" N | 128°4'15.6" E | 
| Unjomgol : | 
 | 
 | 38°33'15.8" N | 127°3'14.4" E | 
| Unjomkol : | 
 | 
 | 38°33'15.8" N | 127°3'14.4" E | 
| Unjonni : | 
 | 
 | 38°49'7.0" N | 128°4'15.6" E | 
| Unjori : | 
 | 
 | 39°19'0.8" N | 127°24'3.6" E | 
| Unkol : | 
 | 
 | 38°36'42.8" N | 127°39'0.0" E | 
| Unmoksanae : | 
 | 361 m | 38°31'50.9" N | 127°50'31.2" E | 
| Unsongni : | 
 | 
 | 39°19'0.8" N | 127°24'3.6" E | 
| Unsugol : | 
 | 
 | 39°5'44.2" N | 127°34'26.4" E | 
| Unsuri : | 
 | 
 | 39°0'36.0" N | 127°41'6.0" E | 
| Untogol : | 
 | 
 | 38°21'24.8" N | 126°49'8.4" E | 
| Utchigyongae : | 
 | 
 | 38°17'58.9" N | 126°57'43.2" E | 
| Utchinbul : | 
 | 87 m | 39°6'59.0" N | 127°38'6.0" E | 
| Uthoegye : | 
 | 208 m | 38°16'3.0" N | 126°58'30.0" E | 
| Utmultori : | 
 | 
 | 38°21'2.2" N | 126°57'25.2" E | 
| Uttangkogae : | 
 | 
 | 38°31'39.0" N | 127°32'42.0" E | 
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