U
- U.S. Interior HighlandsMountainous region in the Central United States
- UllsfjordenUllsfjorden (Norwegian) or Olggosvuotna (Northern Sami) is a fjord in Troms county, Norway
- UmurataUmurata is a mountain in the Andes, about 5,717 m (18,757 ft) high, situated in the Cordil
- UngujaTanzanian island of the Zanzibar Archipelago
- Ungut CountyCounty in Ardabil province, Iran
- United States nationality lawUnited States nationality law details the conditions in which a person holds United States
- Urban geographySubdiscipline of geography concentrating on urban areas