Yugoslavia 38,200 Yemen (Republic) 9,423 Yunnan Sheng 5,815 Yemen 3,516 Yorkshire 3,444 Yunnan Sheng (China) 3,331 Yorkshire (England) 3,126 Yellowstone National Park 2,912 Yukon 2,295 York 1,956 Yucatán (Mexico : State) 1,743 Yucatán (State) 1,713 Yucatán (State) 1,476 York (England) 1,237 Yukon Territory 1,197 Yosemite National Park (Calif.) 1,131 Yogyakarta 1,034 Yucatán (Mexico : State) 1,032 Yogyakarta (Daerah Istimewa) 915 Yougoslavie 826 York County 737 Yosemite Valley (Calif.) 732 Yokohama-shi 729 Yorktown (Va.) 716 Yokohama-shi (Japan) 697 Yellow River (China) 661 Yosemite National Park 661 Yemen, South 623 York County (Pa.) 592 Yucca Mountain 577 Yellow River 555 Yangtze River (China) 552 Yucatán Peninsula 548 Yamatai (Japan) 522 Yogyakarta (Indonesia : Daerah Istimewa) 499 Yangtze River 494 Yangtze River Gorges 494 Yanbian Chaoxianzu Zizhizhou 474 Yucatán Peninsula 467 Yémen 457 Yosemite Valley 394 Yogyakarta (Indonesia) 369 Yangtze River Gorges (China) 357 Yangzhou Shi 342 Yamaguchi-ken (Japan) 339 Yangtze River Valley (China) 331 Yemen (People's Democratic Republic) 325 Yangtze River Valley 323 Yangtze River Delta 320 Yavneh (Israel) 314 Yodfat (Israel) 313 Yangtze River Region 299 Yorktown 297 Yamaguchi-ken 294 Youngstown 291 Yerevan 289 Yemen, North 283 Yamanashi-ken (Japan) 282 Yamanashi-ken 281 Yerevan (Armenia) 278 Yangtze River Delta (China) 273 Yellow Sea 273 Yamagata-ken 258 Yonne (France) 257 Yellowstone River 252 Yavapai County 251 Yonkers 250 Yangzhou (Jiangsu Sheng, China) 247 Yabloniv 238 Yan'an Shi 234 Yonkers (N.Y.) 231 Yangzhou Shi (China) 229 Yangzhou (Jiangsu Sheng) 228 Yangtze River Region (China) 226 Yukon River Valley (Yukon and Alaska) 216 Yan'an Shi (China) 214 York (Pa.) 209 Yanbian Chaoxianzu Zizhizhou (China) 206 Yonne 206 Yuan Ming Yuan (Beijing, China) 206 Yamagata-ken (Japan) 205 Yamatai 205 Yazd 204 Yoshiwara (Tokyo, Japan) 201 Yuma County 193 Youngstown (Ohio) 191 Yerushalayim ha-ʻatiḳah (Jerusalem) 183 Yemen (Arab Republic) 182 Yahel (Israel) 180 Yaʻad (Israel) 173 Yellow River Valley (China) 170 Yŏngnam Region 164 Yucca Mountain Region 158 Yazd (Iran) 155 Yakutia 154 Yixing Shi 154 Yunnan (Chine : Sheng) 152 Yardenah (Israel) 150 Yunnan (Sheng) 150 Yukon River (Yukon and Alaska) 148