Wiblingen, voir Waïbling.
Wiclef, 86, 87, 147, 148, 150, 325.
Wiener (Charles), 432.
Wight, île, 139.
Willoughby, 462.
Wimpffen, loc., 469.
Winchelsea, loc., 462.
Winchester, loc., 78, 79, 93.
Windisch, Vindonissa, 12, 13.
Wisby, loc., 56, 57, 59.
Wisconsin, ter., 404.
Wittemberg, loc., 325.
Wittstock, loc., 469.
Wladimir, loc., 198.
Wolf (Théo.), 601.
Wolfenbüttel, loc., 469.
Wohlau, loc., 547.
Worcester, loc., 79.
Worms, loc., 101, 102, 331, 339, 345, 353, 487.
Wrangel, 454.
Wurtemberg, ter., 342, 378.
Würzburg, 331, 345, 353, 496.
Wyndham, 602.
Xaltocan, loc., et lac. 411.
Xauxa, riv., 437.
Xénophon, 299.
Yadrintsev, 174, 191, 522.
Yalung kiang, 523.
Yanaon, loc., 553.
Yangtse, riv., 161, 166, 178, 181, 183, 259, 523, 530.
Yapura, riv., 423, 425.
Yarkand, loc., 167.
Yakoutes, 522.
Yavisa, loc., 537.
Yayavarman le Grand, 173.
Yelintache, 174.
Yemen, ter., 176.
Yermak, 315, 506, 507.
Yonne, riv., 67, 73, 97.
York, loc., 77, 79, 86, 598.
Yorkshire, ter., 534.
Yorktown, loc., 587, 589.
Yougo-Slaves, 210.
Ypres, loc., 53, 63, 121.
Ysiama, loc., 428.
Yucatan, ter., 213, 235, 266, 402, 408, 416, 418.
Yuen, (dyn.) 197.
Yuen-liang-ho, 179, 180.
Yukon, riv., 397.
Yun-ho, riv., 180.
Yunnan, ter., 176, 523.
Zaïre, voir Congo.
Zambèze, riv., 23, 258, 394.
Zamorin, 260.
Zanzibar, 231, 236, 237, 394.
Zapotèques, 414.
Zaporogues, 512, 513.
Zaragosse, loc., 45, 301.
Zeeland, Zélande, 53, 337.
Zeinzenim, 430.
Zengul, ter., 223.
Zenta, loc., 503.
Ziethen, Gross et Klein, 493.
Zingu, riv., 247.
Zokwe, langue, 419.
Zipango, voir Japon.
Zurbaran (Francesco), 378, 386.
Zürich, loc., 13, 110, 322, 327, 352.
Zwin, 9, 53, 54.
Zwingli (Ulrich), 322, 349, 350.