Collection place
- Yuba County, California268
- Yucatán peninsula, Mexico1,810
- Yucatán, Mexico1,645
- Yuda (historical town), Waga District, Iwate Prefecture4
- Yukon Kuskokwim Delta3
- Yukon River, Yukon, Yukon-Koyukuk Borough23
- Yukon Territory, Canada90
- Yukon northward, Yukon, Yukon-Koyukuk Borough10
- Yukon, Yukon-Koyukuk Census Area, Alaska1,071
- Yukon-Koyukuk Census Area, Alaska1,765
- Yuma 10, Yuma County, Arizona7
- Yuma 11, Yuma County, Arizona3
- Yuma 13, Yuma County, Arizona3
- Yuma 14, Yuma County, Arizona3
- Yuma 15, Yuma County, Arizona24
- Yuma 16, Yuma County, Arizona6
- Yuma 18, Yuma County, Arizona1
- Yuma 19, Yuma County, Arizona1
- Yuma 2, Yuma County, Arizona1
- Yuma 21, Yuma County, Arizona2