Yugoslavia 38,137 Yemen (Republic) 9,390 Yunnan Sheng 5,739 Yemen 3,512 Yorkshire 3,438 Yunnan Sheng (China) 3,298 Yorkshire (England) 3,122 Yellowstone National Park 2,908 Yukon 2,291 York 1,954 Yucatán (Mexico : State) 1,740 Yucatán (State) 1,710 Yucatán (State) 1,476 York (England) 1,236 Yukon Territory 1,198 Yosemite National Park (Calif.) 1,130 Yogyakarta 1,032 Yucatán (Mexico : State) 1,032 Yogyakarta (Daerah Istimewa) 915 Yougoslavie 814 York County 737 Yosemite Valley (Calif.) 732 Yokohama-shi 727 Yorktown (Va.) 716 Yokohama-shi (Japan) 697 Yosemite National Park 661 Yellow River (China) 658 Yemen, South 620 York County (Pa.) 592 Yucca Mountain 577 Yangtze River (China) 549 Yellow River 548 Yucatán Peninsula 547 Yamatai (Japan) 520 Yogyakarta (Indonesia : Daerah Istimewa) 499 Yangtze River Gorges 491 Yangtze River 490 Yanbian Chaoxianzu Zizhizhou 472 Yucatán Peninsula 466 Yémen 423 Yosemite Valley 393 Yogyakarta (Indonesia) 366 Yangtze River Gorges (China) 356 Yangzhou Shi 341 Yamaguchi-ken (Japan) 338 Yangtze River Valley (China) 327 Yemen (People's Democratic Republic) 325 Yangtze River Delta 319 Yangtze River Valley 316 Yavneh (Israel) 314 Yodfat (Israel) 313 Yorktown 297 Yangtze River Region 292 Youngstown 291 Yamaguchi-ken 290 Yerevan 288 Yemen, North 283 Yamanashi-ken (Japan) 282 Yamanashi-ken 279 Yerevan (Armenia) 277 Yellow Sea 273 Yangtze River Delta (China) 270 Yamagata-ken 257 Yonne (France) 256 Yellowstone River 252 Yavapai County 251 Yonkers 250 Yangzhou (Jiangsu Sheng, China) 247 Yabloniv 238 Yan'an Shi 233 Yonkers (N.Y.) 230 Yangzhou Shi (China) 229 Yangzhou (Jiangsu Sheng) 226 Yangtze River Region (China) 223 Yukon River Valley (Yukon and Alaska) 216 Yan'an Shi (China) 214 York (Pa.) 208 Yanbian Chaoxianzu Zizhizhou (China) 206 Yonne 206 Yuan Ming Yuan (Beijing, China) 206 Yamagata-ken (Japan) 205 Yazd 204 Yoshiwara (Tokyo, Japan) 201 Yamatai 200 Yuma County 193 Youngstown (Ohio) 191 Yerushalayim ha-ʻatiḳah (Jerusalem) 182 Yemen (Arab Republic) 181 Yahel (Israel) 180 Yaʻad (Israel) 173 Yellow River Valley (China) 169 Yŏngnam Region 164 Yucca Mountain Region 158 Yazd (Iran) 155 Yakutia 154 Yardenah (Israel) 150 Yixing Shi 150 Yukon River (Yukon and Alaska) 148 Yolo County 145 Yucca Mountain (Nev.) 145