Collection place
- Upper San Joaquin River, Madera County, California35
- Upper Scott River, Scott Valley, Siskiyou County1
- Upper Sepik River, Sandaun Province, Papua New Guinea232
- Upper Sonoma Valley, Sonoma County, California516
- Upper Station site at Olga Bay, Kodiak Island Borough, Alaska8
- Upper Tapiecitas (site 62), Casas Grandes Municipality, Chihuahua9
- Upper Tariku River, Papua Province, Indonesia44
- Upper Tinaja (site 63), Casas Grandes Municipality, Chihuahua9
- Upper Tule River, Tule River, Tulare County2
- Upper Yukon River, Yukon-Koyukuk Borough, Alaska446
- Uppsala, Sweden5
- Upstream from Rancho San Raphael (Brooks), La Cruz Municipality, Rio Conchos, Chihuahua1
- Uqayr, Saudi Arabia69
- Ur (ancient city), Iraq15
- Urayirah, Saudi Arabia56
- Uri Alps, Bern, Switzerland1
- Urpay District, Pataz, La Libertad Region2
- Urso (historic place), Hispania Ulterior1
- Urua-Inyang, Nigeria1
- Uruachi Municipality, Chihuahua, Mexico14