| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Yablonovo | city | Kaluzhskaya Oblast' | Russia | 54.3711111 | 33.8266667 | 731 | 826 |
| Yablonovo | city | Kaluzhskaya Oblast' | Russia | 54.6166667 | 37.1166667 | 547 | 1632 |
| Yagodnaya | city | Kaluzhskaya Oblast' | Russia | 53.5586111 | 35.6358333 | 643 | 643 |
| Yagodnoye | city | Kaluzhskaya Oblast' | Russia | 53.5586111 | 35.6358333 | 643 | 643 |
| Yakovka | city | Kaluzhskaya Oblast' | Russia | 54.4158333 | 35.4769444 | 734 | 1044 |
| Yakovlevka | city | Kaluzhskaya Oblast' | Russia | 54.3727778 | 34.3947222 | 708 | 635 |
| Yakshunovo | city | Kaluzhskaya Oblast' | Russia | 54.5872222 | 35.9386111 | 436 | 4411 |
| Yakushevo | city | Kaluzhskaya Oblast' | Russia | 54.8708333 | 36.2477778 | 629 | 2622 |
| Yakushkino | city | Kaluzhskaya Oblast' | Russia | 55.2286111 | 35.8244444 | 692 | 1381 |
| Yamnaya | city | Kaluzhskaya Oblast' | Russia | 54.1241667 | 33.79 | 610 | 929 |
| Yamnovka | city | Kaluzhskaya Oblast' | Russia | 54.1119444 | 33.7827778 | 610 | 929 |
| Yamnoye | city | Kaluzhskaya Oblast' | Russia | 54.1241667 | 33.79 | 610 | 929 |
| Yamny | city | Kaluzhskaya Oblast' | Russia | 54.5808333 | 35.3841667 | 656 | 859 |
| Yamshino | city | Kaluzhskaya Oblast' | Russia | 54.0838889 | 35.5788889 | 748 | 2511 |
| Yarlykova | city | Kaluzhskaya Oblast' | Russia | 54.6338889 | 35.9094444 | 423 | 4407 |
| Yarlykovo | city | Kaluzhskaya Oblast' | Russia | 54.6338889 | 35.9094444 | 423 | 4407 |
| Yarovshchina | city | Kaluzhskaya Oblast' | Russia | 53.6469444 | 34.6997222 | 685 | 855 |
| Yartsevo | city | Kaluzhskaya Oblast' | Russia | 54.7313889 | 35.745 | 442 | 4397 |
| Yasenki | city | Kaluzhskaya Oblast' | Russia | 54.8058333 | 36.0936111 | 652 | 3352 |
| Yasenok | city | Kaluzhskaya Oblast' | Russia | 53.8308333 | 34.2697222 | 633 | 2023 |
| Yasenok | city | Kaluzhskaya Oblast' | Russia | 53.9141667 | 34.6191667 | 705 | 624 |
| Yasenok | city | Kaluzhskaya Oblast' | Russia | 53.8369444 | 34.8544444 | 564 | 1298 |
| Yashinskiy | city | Kaluzhskaya Oblast' | Russia | 53.5975 | 35.3161111 | 551 | 641 |
| Yasnaya Polyana | city | Kaluzhskaya Oblast' | Russia | 53.9327778 | 34.4169444 | 685 | 5767 |
| Yasnaya Polyana | city | Kaluzhskaya Oblast' | Russia | 53.4922222 | 34.5186111 | 623 | 1139 |
| Yastrebikha | city | Kaluzhskaya Oblast' | Russia | 53.5613889 | 34.9602778 | 639 | 818 |
| Yastrebovka | city | Kaluzhskaya Oblast' | Russia | 54.6147222 | 36.4116667 | 787 | 13114 |
| Yastrebovo | city | Kaluzhskaya Oblast' | Russia | 54.1747222 | 36.2122222 | 574 | 1792 |
| Yefanovo | city | Kaluzhskaya Oblast' | Russia | 55.0166667 | 35.3333333 | 803 | 523 |
| Yefimtsevo | city | Kaluzhskaya Oblast' | Russia | 53.7933333 | 35.5663889 | 748 | 744 |
| Yefremovka | city | Kaluzhskaya Oblast' | Russia | 53.9236111 | 34.935 | 561 | 1423 |
| Yefremovo | city | Kaluzhskaya Oblast' | Russia | 54.5080556 | 34.7208333 | 757 | 830 |
| Yegor'ye | city | Kaluzhskaya Oblast' | Russia | 54.0486111 | 35.5783333 | 682 | 2508 |
| Yegor'ye | city | Kaluzhskaya Oblast' | Russia | 54.2033333 | 35.6263889 | 787 | 2007 |
| Yegor'ye | city | Kaluzhskaya Oblast' | Russia | 55.2 | 35.9833333 | 574 | 2216 |
| Yegor'yevo | city | Kaluzhskaya Oblast' | Russia | 54.4086111 | 35.6244444 | 764 | 1793 |
| Yegor'yevo | city | Kaluzhskaya Oblast' | Russia | 54.2875 | 35.8408333 | 777 | 2158 |
| Yegor'yevskiy | city | Kaluzhskaya Oblast' | Russia | 53.6075 | 34.8708333 | 669 | 851 |
| Yegor'yevskoye | city | Kaluzhskaya Oblast' | Russia | 54.5166667 | 35.4333333 | 643 | 927 |
| Yekaterinovka | city | Kaluzhskaya Oblast' | Russia | 54.5013889 | 33.8219444 | 603 | 644 |
| Yekaterinovka | city | Kaluzhskaya Oblast' | Russia | 54.6577778 | 34.5875 | 718 | 502 |
| Yekaterinovka | city | Kaluzhskaya Oblast' | Russia | 54.6 | 35.5611111 | 593 | 926 |
| Yekaterinovka | city | Kaluzhskaya Oblast' | Russia | 55.0166667 | 35.9666667 | 597 | 1191 |
| Yekaterinovka | city | Kaluzhskaya Oblast' | Russia | 54.9405556 | 37.1191667 | 554 | 3186 |
| Yekaterinovka | city | Kaluzhskaya Oblast' | Russia | 54.6825 | 37.1969444 | 354 | 1736 |
| Yekimkova | city | Kaluzhskaya Oblast' | Russia | 54.8330556 | 35.6480556 | 541 | 2155 |
| Yekimovo | city | Kaluzhskaya Oblast' | Russia | 54.1933333 | 34.3330556 | 685 | 818 |
| Yel' | city | Kaluzhskaya Oblast' | Russia | 53.9875 | 34.1555556 | 708 | 877 |
| Yel'kino | city | Kaluzhskaya Oblast' | Russia | 54.5638889 | 36.7236111 | 702 | 1097 |
| Yeldakhova | city | Kaluzhskaya Oblast' | Russia | 53.4594444 | 34.8802778 | 666 | 817 |
| Yelensk | city | Kaluzhskaya Oblast' | Russia | 53.4858333 | 35.3813889 | 711 | 781 |
| Yelenskiy | city | Kaluzhskaya Oblast' | Russia | 53.4858333 | 35.3813889 | 711 | 781 |
| Yeleshnya | city | Kaluzhskaya Oblast' | Russia | 54.9705556 | 35.7941667 | 636 | 1194 |
| Yeliseyevka | city | Kaluzhskaya Oblast' | Russia | 54.3955556 | 34.3330556 | 816 | 668 |
| Yeliseyevo | city | Kaluzhskaya Oblast' | Russia | 54.4822222 | 33.7963889 | 659 | 771 |
| Yeliseyevy Lazinki | city | Kaluzhskaya Oblast' | Russia | 54.2266667 | 34.2219444 | 688 | 826 |
| Yelizavetinka | city | Kaluzhskaya Oblast' | Russia | 54.3480556 | 36.2733333 | 682 | 21695 |
| Yelizavetino | city | Kaluzhskaya Oblast' | Russia | 54.6361111 | 37.0547222 | 715 | 1740 |
| Yelovka | city | Kaluzhskaya Oblast' | Russia | 53.8141667 | 34.3263889 | 590 | 1497 |
| Yelovka | city | Kaluzhskaya Oblast' | Russia | 54.4283333 | 36.2955556 | 659 | 45341 |
| Yelovskiy | city | Kaluzhskaya Oblast' | Russia | 53.5986111 | 35.4736111 | 744 | 630 |
| Yemel'yanorka | city | Kaluzhskaya Oblast' | Russia | 54.6069444 | 35.1313889 | 646 | 850 |
| Yemel'yanovichi | city | Kaluzhskaya Oblast' | Russia | 54.0725 | 33.6236111 | 629 | 932 |
| Yemel'yanovka | city | Kaluzhskaya Oblast' | Russia | 54.6961111 | 35.2325 | 603 | 859 |
| Yerdenevo | city | Kaluzhskaya Oblast' | Russia | 54.92 | 36.4572222 | 508 | 2615 |
| Yeremenka | city | Kaluzhskaya Oblast' | Russia | 54.3644444 | 34.8941667 | 656 | 910 |
| Yereminka | city | Kaluzhskaya Oblast' | Russia | 54.3644444 | 34.8941667 | 656 | 910 |
| Yeremino | city | Kaluzhskaya Oblast' | Russia | 54.6122222 | 35.5875 | 626 | 1717 |
| Yergor'yevskoye | city | Kaluzhskaya Oblast' | Russia | 54.4577778 | 36.3630556 | 387 | 22281 |
| Yerilova | city | Kaluzhskaya Oblast' | Russia | 54.2666667 | 34.2333333 | 764 | 808 |
| Yerilovo | city | Kaluzhskaya Oblast' | Russia | 54.2666667 | 34.2333333 | 764 | 808 |
| Yerino | city | Kaluzhskaya Oblast' | Russia | 54.7716667 | 35.6497222 | 465 | 3634 |
| Yerlykovo | city | Kaluzhskaya Oblast' | Russia | 54.1436111 | 35.6241667 | 629 | 2339 |
| Yerlykovo | city | Kaluzhskaya Oblast' | Russia | 54.6338889 | 35.9094444 | 423 | 4407 |
| Yermashevka | city | Kaluzhskaya Oblast' | Russia | 54.2044444 | 36.1233333 | 452 | 1513 |
| Yermolino | city | Kaluzhskaya Oblast' | Russia | 55.1927778 | 36.5963889 | 547 | 5369 |
| Yermolovo | city | Kaluzhskaya Oblast' | Russia | 54.0483333 | 35.2277778 | 685 | 2501 |
| Yermolovo | city | Kaluzhskaya Oblast' | Russia | 54.0555556 | 35.2475 | 748 | 2501 |
| Yerobkino | city | Kaluzhskaya Oblast' | Russia | 54.25 | 35.3166667 | 705 | 1278 |
| Yershi | city | Kaluzhskaya Oblast' | Russia | 54.4 | 34.2 | 790 | 826 |
| Yershi | city | Kaluzhskaya Oblast' | Russia | 53.6455556 | 35.9141667 | 715 | 645 |
| Yershovka | city | Kaluzhskaya Oblast' | Russia | 54.4 | 34.2 | 790 | 826 |
| Yerzunova | city | Kaluzhskaya Oblast' | Russia | 54.4494444 | 34.7733333 | 856 | 829 |
| Yerzunovo | city | Kaluzhskaya Oblast' | Russia | 54.4494444 | 34.7733333 | 856 | 829 |
| Yerëmenka | city | Kaluzhskaya Oblast' | Russia | 54.3644444 | 34.8941667 | 656 | 910 |
| Yesinaya | city | Kaluzhskaya Oblast' | Russia | 54.4066667 | 33.7775 | 793 | 826 |
| Yesipovo | city | Kaluzhskaya Oblast' | Russia | 54.6625 | 35.2088889 | 613 | 859 |
| Yevdokimovka | city | Kaluzhskaya Oblast' | Russia | 54.6736111 | 35.7430556 | 557 | 4403 |
| Yevgeniyev | city | Kaluzhskaya Oblast' | Russia | 53.8161111 | 35.7197222 | 734 | 1465 |
| Yezhovo | city | Kaluzhskaya Oblast' | Russia | 54.9319444 | 35.1452778 | 623 | 524 |
| Yezovnya | city | Kaluzhskaya Oblast' | Russia | 54.3033333 | 34.6119444 | 774 | 635 |
| Yubileynyy | city | Kaluzhskaya Oblast' | Russia | 54.7486111 | 36.3169444 | 518 | 2629 |
| Yudinka | city | Kaluzhskaya Oblast' | Russia | 54.9094444 | 35.6905556 | 610 | 695 |
| Yudinki | city | Kaluzhskaya Oblast' | Russia | 54.1480556 | 35.7394444 | 521 | 2493 |
| Yudino | city | Kaluzhskaya Oblast' | Russia | 54.5177778 | 33.8827778 | 666 | 654 |
| Yudino | city | Kaluzhskaya Oblast' | Russia | 54.8441667 | 35.5747222 | 508 | 543 |
| Yukhnov | city | Kaluzhskaya Oblast' | Russia | 54.7444444 | 35.2297222 | 561 | 859 |
| Yupinka | city | Kaluzhskaya Oblast' | Russia | 54.1841667 | 36.1480556 | 574 | 1516 |
| Yur'yevka | city | Kaluzhskaya Oblast' | Russia | 53.7 | 36.0666667 | 780 | 2671 |
| Yur'yevka | city | Kaluzhskaya Oblast' | Russia | 54.6280556 | 36.2358333 | 636 | 25150 |
| Yur'yevo | city | Kaluzhskaya Oblast' | Russia | 54.1736111 | 35.49 | 688 | 1720 |
| Yur'yevskoye | city | Kaluzhskaya Oblast' | Russia | 55.0844444 | 36.2197222 | 597 | 4755 |
| Yurasovo | city | Kaluzhskaya Oblast' | Russia | 54.395 | 35.4755556 | 731 | 1044 |
| Yurina | city | Kaluzhskaya Oblast' | Russia | 53.9152778 | 35.9591667 | 659 | 2507 |
| Yurino | city | Kaluzhskaya Oblast' | Russia | 54.4463889 | 34.5961111 | 856 | 751 |
| Yurino | city | Kaluzhskaya Oblast' | Russia | 53.9152778 | 35.9591667 | 659 | 2507 |
| Yurkino | city | Kaluzhskaya Oblast' | Russia | 54.695 | 34.7111111 | 702 | 526 |
| Yurkovo | city | Kaluzhskaya Oblast' | Russia | 55.1472222 | 36.2461111 | 547 | 5374 |
| Yurmanova | city | Kaluzhskaya Oblast' | Russia | 55.1486111 | 35.4744444 | 698 | 523 |
| Yurmanovka | city | Kaluzhskaya Oblast' | Russia | 54.69 | 35.3347222 | 639 | 859 |
| Yurmanovka | city | Kaluzhskaya Oblast' | Russia | 53.9563889 | 36.1222222 | 662 | 2756 |
| Yurmanovo | city | Kaluzhskaya Oblast' | Russia | 55.1486111 | 35.4744444 | 698 | 523 |
| Yuryatino | city | Kaluzhskaya Oblast' | Russia | 54.85 | 37.2 | 419 | 2804 |
| Yusovo | city | Kaluzhskaya Oblast' | Russia | 55.1241667 | 35.5038889 | 702 | 523 |
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