| Name | Population | Altitude | Latitude | Longitude | 
| Ugari : | 
 | 
 | 40°57'15.8" N | 128°4'37.2" E | 
| Uhari : | 
 | 
 | 41°9'18.0" N | 128°13'51.6" E | 
| Uihwari : | 
 | 
 | 41°27'51.1" N | 128°18'10.8" E | 
| Ukkaemegi : | 
 | 
 | 41°11'57.1" N | 128°15'32.4" E | 
| Ukkangsanbong : | 
 | 909 m | 41°35'38.0" N | 128°18'21.6" E | 
| Ullilli : | 
 | 
 | 41°1'26.0" N | 128°5'9.6" E | 
| Ullinni : | 
 | 
 | 41°1'26.0" N | 128°5'9.6" E | 
| Ullyongdong : | 
 | 
 | 41°34'35.0" N | 128°31'8.4" E | 
| Unbongni : | 
 | 
 | 41°10'45.8" N | 128°3'0.0" E | 
| Uncholli : | 
 | 
 | 41°21'19.1" N | 128°14'27.6" E | 
| Unchongni : | 
 | 
 | 41°21'15.1" N | 128°14'9.6" E | 
| Unchonni : | 
 | 
 | 41°16'0.1" N | 128°7'58.8" E | 
| Undam : | 
 | 
 | 40°37'59.9" N | 127°58'1.2" E | 
| Undonggu : | 
 | 581 m | 41°25'44.0" N | 127°3'46.8" E | 
| Undongnodongjagu : | 
 | 
 | 41°46'13.1" N | 128°47'24.0" E | 
| Undong : | 
 | 
 | 41°24'42.1" N | 127°2'38.4" E | 
| Ungdongni : | 
 | 
 | 40°53'60.0" N | 128°5'60.0" E | 
| Unhung : | 
 | 1 455 m | 41°18'15.8" N | 128°30'3.6" E | 
| Unhungup : | 
 | 
 | 41°18'15.8" N | 128°30'3.6" E | 
| Unjolli : | 
 | 
 | 41°23'3.1" N | 128°4'48.0" E | 
| Unjungni : | 
 | 
 | 41°25'18.1" N | 127°3'18.0" E | 
| Unmal : | 
 | 1 603 m | 41°6'15.1" N | 128°31'58.8" E | 
| Unnamdong : | 
 | 
 | 40°49'59.9" N | 128°0'0.0" E | 
| Unnamgol : | 
 | 
 | 40°49'59.9" N | 128°0'0.0" E | 
| Unnamni : | 
 | 
 | 41°28'46.9" N | 128°24'21.6" E | 
| Unpori : | 
 | 
 | 41°7'53.0" N | 128°7'12.0" E | 
| Unsapyongni : | 
 | 
 | 41°5'48.1" N | 128°29'31.2" E | 
| Unsudong : | 
 | 
 | 40°45'0.0" N | 127°45'0.0" E | 
| Untaeki : | 
 | 
 | 40°37'59.9" N | 127°58'1.2" E | 
| Untaek : | 
 | 
 | 40°37'59.9" N | 127°58'1.2" E | 
| Untan : | 
 | 
 | 40°37'59.9" N | 127°58'1.2" E | 
| Upori : | 
 | 
 | 40°59'46.0" N | 128°12'25.2" E | 
| Uppogansu : | 
 | 1 210 m | 41°21'29.2" N | 128°27'32.4" E | 
| Uryongdong : | 
 | 
 | 41°34'35.0" N | 128°31'8.4" E | 
| Usangni : | 
 | 
 | 41°8'49.9" N | 128°13'37.2" E | 
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