| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Ya-You | city | T'ai-wan Sheng | Taiwan | 22.05 | 121.5 | 0 | 12877 |
| Ya-hsing-ts'un | city | T'ai-wan Sheng | Taiwan | 24.0666667 | 120.5 | 32 | 119869 |
| Ya-kou | city | T'ai-wan Sheng | Taiwan | 24.1 | 120.4833333 | 29 | 108905 |
| Ya-kou-li | city | T'ai-wan Sheng | Taiwan | 24.1 | 120.4833333 | 29 | 108905 |
| Ya-kou-lu | city | T'ai-wan Sheng | Taiwan | 21.9747222 | 120.8425 | 0 | 20531 |
| Ya-liao | city | T'ai-wan Sheng | Taiwan | 22.85 | 120.2666667 | 36 | 61292 |
| Ya-liao-ts'un | city | T'ai-wan Sheng | Taiwan | 22.85 | 120.2666667 | 36 | 61292 |
| Ya-men-k'ou | city | T'ai-wan Sheng | Taiwan | 22.5166667 | 120.5 | 29 | 43708 |
| Ya-mu-liao | city | T'ai-wan Sheng | Taiwan | 23.4377778 | 120.2391667 | 22 | 44970 |
| Ya-mu-liao | city | T'ai-wan Sheng | Taiwan | 22.85 | 120.2666667 | 36 | 61292 |
| Ya-mu-liao | city | Kao-hsiung Shih | Taiwan | 22.6166667 | 120.3166667 | 29 | 599126 |
| Ya-mu-liao | city | T'ai-wan Sheng | Taiwan | 22.9333333 | 120.45 | 190 | 68223 |
| Ya-mu-liao | city | T'ai-wan Sheng | Taiwan | 23.2833333 | 120.4666667 | 928 | 75823 |
| Ya-mu-liao | city | T'ai-wan Sheng | Taiwan | 22.7666667 | 120.5 | 104 | 48661 |
| Ya-mu-liao | city | T'ai-wan Sheng | Taiwan | 24.2333333 | 120.5333333 | 16 | 61304 |
| Ya-mu-ling | city | T'ai-pei Shih | Taiwan | 25.0833333 | 121.5666667 | 22 | 1231601 |
| Ya-mu-ti | city | T'ai-wan Sheng | Taiwan | 23.5333333 | 120.4166667 | 95 | 43520 |
| Ya-nan | city | T'ai-wan Sheng | Taiwan | 24.55 | 120.75 | 328 | 39934 |
| Ya-nan-ts'un | city | T'ai-wan Sheng | Taiwan | 24.55 | 120.75 | 328 | 39934 |
| Ya-yu | city | T'ai-wan Sheng | Taiwan | 22.05 | 121.5 | 0 | 12877 |
| Yai-chieh | city | T'ai-wan Sheng | Taiwan | 24.75 | 121.6666667 | 328 | 28739 |
| Yai-hsiang | city | T'ai-wan Sheng | Taiwan | 22.7666667 | 120.3833333 | 131 | 98573 |
| Yai-k'ou | city | T'ai-wan Sheng | Taiwan | 24.8 | 121.0333333 | 170 | 216562 |
| Yai-k'ou-liao | city | T'ai-wan Sheng | Taiwan | 24.45 | 120.6833333 | 314 | 57400 |
| Yai-liao | city | T'ai-wan Sheng | Taiwan | 22.95 | 120.4666667 | 223 | 63362 |
| Yai-liao | city | T'ai-wan Sheng | Taiwan | 22.4166667 | 120.5833333 | 59 | 40011 |
| Yai-liao | city | T'ai-wan Sheng | Taiwan | 22.8666667 | 120.6166667 | 374 | 52878 |
| Yai-liao | city | T'ai-wan Sheng | Taiwan | 22.7 | 120.6333333 | 341 | 43657 |
| Yai-liao | city | T'ai-wan Sheng | Taiwan | 23.9833333 | 120.7 | 501 | 77403 |
| Yai-liao | city | T'ai-wan Sheng | Taiwan | 23.8333333 | 120.75 | 757 | 17092 |
| Yai-liao-chiao | city | T'ai-wan Sheng | Taiwan | 23.0833333 | 120.5 | 374 | 74808 |
| Yai-liao-li | city | T'ai-wan Sheng | Taiwan | 24 | 120.65 | 275 | 105371 |
| Yai-liao-li | city | T'ai-wan Sheng | Taiwan | 23.8333333 | 120.75 | 757 | 17092 |
| Yai-liao-ou | city | T'ai-wan Sheng | Taiwan | 23.8333333 | 120.7333333 | 734 | 18880 |
| Yai-liao-pu | city | T'ai-wan Sheng | Taiwan | 23.8333333 | 120.7333333 | 734 | 18880 |
| Yai-liao-ting | city | T'ai-wan Sheng | Taiwan | 24.9 | 121.2166667 | 649 | 139641 |
| Yai-men | city | T'ai-wan Sheng | Taiwan | 23.5638889 | 119.6294444 | 19 | 30240 |
| Yai-men-she | city | T'ai-wan Sheng | Taiwan | 23.5638889 | 119.6294444 | 19 | 30240 |
| Yai-men-ts'un | city | T'ai-wan Sheng | Taiwan | 23.5638889 | 119.6294444 | 19 | 30240 |
| Yai-ting-li | city | T'ai-wan Sheng | Taiwan | 24.6166667 | 121.8333333 | 62 | 25069 |
| Yai-ting-liao | city | T'ai-wan Sheng | Taiwan | 22.9833333 | 120.55 | 442 | 61285 |
| Yang-ch'ao-tzu | city | T'ai-wan Sheng | Taiwan | 25.2 | 121.4166667 | 49 | 187045 |
| Yang-ch'ou | city | T'ai-wan Sheng | Taiwan | 23.65 | 120.1833333 | 6 | 61851 |
| Yang-ch'ou | city | T'ai-pei Shih | Taiwan | 25.0666667 | 121.5833333 | 26 | 1231601 |
| Yang-ch'ou-k'eng | city | T'ai-wan Sheng | Taiwan | 25.05 | 121.3 | 295 | 164181 |
| Yang-ch'ou-ts'o | city | T'ai-wan Sheng | Taiwan | 23.65 | 120.1833333 | 6 | 61851 |
| Yang-ch'ou-ts'o | city | T'ai-wan Sheng | Taiwan | 23.2833333 | 120.2 | 32 | 66319 |
| Yang-ch'ou-ts'un | city | T'ai-wan Sheng | Taiwan | 23.65 | 120.1833333 | 6 | 61851 |
| Yang-ch'ou-tzu | city | T'ai-wan Sheng | Taiwan | 24.95 | 121.3166667 | 344 | 149634 |
| Yang-chai | city | Fu-chien Sheng | Taiwan | 24.4833333 | 118.4166667 | 108 | 0 |
| Yang-chu-k'eng | city | T'ai-wan Sheng | Taiwan | 25.25 | 121.4666667 | 196 | 180112 |
| Yang-hsi-wo | city | T'ai-wan Sheng | Taiwan | 24.8833333 | 121.0833333 | 734 | 101235 |
| Yang-hsien | city | T'ai-wan Sheng | Taiwan | 23.8166667 | 120.4 | 55 | 109613 |
| Yang-hsien-chuang | city | T'ai-wan Sheng | Taiwan | 23.8166667 | 120.4 | 55 | 109613 |
| Yang-hsien-ts'un | city | T'ai-wan Sheng | Taiwan | 23.8166667 | 120.4 | 55 | 109613 |
| Yang-kang-tzu | city | T'ai-wan Sheng | Taiwan | 24.95 | 121.3166667 | 344 | 149634 |
| Yang-lao | city | T'ai-wan Sheng | Taiwan | 24.6 | 121.25 | 3608 | 48657 |
| Yang-liao | city | T'ai-wan Sheng | Taiwan | 24.45 | 120.65 | 98 | 52107 |
| Yang-liao | city | T'ai-wan Sheng | Taiwan | 24.8166667 | 120.9166667 | 22 | 166416 |
| Yang-mei | city | T'ai-wan Sheng | Taiwan | 24.9166667 | 121.1333333 | 590 | 140032 |
| Yang-mei-chuang | city | T'ai-wan Sheng | Taiwan | 24.9166667 | 121.1333333 | 590 | 140032 |
| Yang-min-hsin-ts'un | city | T'ai-wan Sheng | Taiwan | 24.2666667 | 120.55 | 49 | 76633 |
| Yang-ming-shan | city | T'ai-pei Shih | Taiwan | 25.15 | 121.55 | 1758 | 863024 |
| Yang-ming-shan-kuan-li-chu | city | T'ai-pei Shih | Taiwan | 25.15 | 121.55 | 1758 | 863024 |
| Yang-ming-shan-kuan-li-chü | city | T'ai-pei Shih | Taiwan | 25.15 | 121.55 | 1758 | 863024 |
| Yang-peng-tzu | city | T'ai-wan Sheng | Taiwan | 25.2 | 121.4166667 | 49 | 187045 |
| Yang-shan | city | Fu-chien Sheng | Taiwan | 24.4833333 | 118.3833333 | 39 | 0 |
| Yang-t'iao | city | T'ai-wan Sheng | Taiwan | 23.2833333 | 120.2 | 32 | 66319 |
| Yang-t'iao-li | city | T'ai-wan Sheng | Taiwan | 23.2833333 | 120.2 | 32 | 66319 |
| Yang-tiao-tzu | city | T'ai-wan Sheng | Taiwan | 25.2 | 121.4166667 | 49 | 187045 |
| Yang-ts'o | city | T'ai-wan Sheng | Taiwan | 22.9666667 | 120.3 | 75 | 111291 |
| Yang-ts'o | city | T'ai-wan Sheng | Taiwan | 24.0666667 | 120.45 | 26 | 94847 |
| Yang-ts'o | city | T'ai-wan Sheng | Taiwan | 24.1 | 120.45 | 9 | 72151 |
| Yang-ts'o | city | T'ai-wan Sheng | Taiwan | 24.2833333 | 120.6166667 | 639 | 91051 |
| Yang-ts'o-li | city | T'ai-wan Sheng | Taiwan | 24.1 | 120.45 | 9 | 72151 |
| Yang-ts'o-li | city | T'ai-wan Sheng | Taiwan | 24.2833333 | 120.6166667 | 639 | 91051 |
| Yang-ts'o-liao | city | T'ai-wan Sheng | Taiwan | 23.7833333 | 120.2333333 | 3 | 52837 |
| Yang-ts'o-liao | city | T'ai-wan Sheng | Taiwan | 24.2833333 | 120.6166667 | 639 | 91051 |
| Yang-ts'o-ts'un | city | T'ai-wan Sheng | Taiwan | 22.9666667 | 120.3 | 75 | 111291 |
| Yang-tzu | city | T'ai-wan Sheng | Taiwan | 23.0333333 | 120.2833333 | 131 | 209106 |
| Yang-tzu | city | T'ai-wan Sheng | Taiwan | 22.7 | 120.4166667 | 144 | 56112 |
| Yang-tzu | city | T'ai-wan Sheng | Taiwan | 22.5166667 | 120.5333333 | 42 | 43708 |
| Yang-tzu-chiao | city | Kao-hsiung Shih | Taiwan | 22.75 | 120.2833333 | 16 | 375748 |
| Yang-tzu-chiao | city | T'ai-wan Sheng | Taiwan | 22.7 | 120.4166667 | 144 | 56112 |
| Yang-tzu-chiao | city | T'ai-wan Sheng | Taiwan | 23.2833333 | 120.45 | 511 | 77937 |
| Yang-tzu-chiao | city | T'ai-wan Sheng | Taiwan | 22.5 | 120.5166667 | 19 | 42392 |
| Yang-tzu-chiao | city | T'ai-wan Sheng | Taiwan | 23.1166667 | 120.6833333 | 1479 | 60549 |
| Yang-tzu-hsia | city | T'ai-wan Sheng | Taiwan | 22.95 | 120.2333333 | 16 | 214073 |
| Yang-tzu-k'eng | city | T'ai-wan Sheng | Taiwan | 23.3336111 | 120.4358333 | 255 | 61407 |
| Yang-tzu-k'eng | city | T'ai-wan Sheng | Taiwan | 23.7 | 120.6166667 | 718 | 71753 |
| Yang-tzu-li | city | T'ai-wan Sheng | Taiwan | 22.5166667 | 120.5333333 | 42 | 43708 |
| Yang-tzu-liao | city | T'ai-wan Sheng | Taiwan | 23.05 | 120.35 | 239 | 78075 |
| Yang-tzu-lin | city | T'ai-wan Sheng | Taiwan | 23.3333333 | 120.4333333 | 255 | 74640 |
| Yang-wo | city | T'ai-wan Sheng | Taiwan | 24.8833333 | 121.0833333 | 734 | 101235 |
| Yang-wu-chiao | city | T'ai-wan Sheng | Taiwan | 22.6166667 | 120.5333333 | 49 | 43720 |
| Yang-yang-she | city | T'ai-wan Sheng | Taiwan | 24.6 | 121.25 | 3608 | 48657 |
| Yao-kou | city | T'ai-wan Sheng | Taiwan | 23.7166667 | 120.6 | 501 | 86826 |
| Yao-kou-ch'i | city | T'ai-wan Sheng | Taiwan | 22.9833333 | 120.35 | 193 | 78105 |
| Yao-kou-chu | city | T'ai-wan Sheng | Taiwan | 23.5333333 | 120.35 | 65 | 53801 |
| Yao-kou-hsi | city | T'ai-wan Sheng | Taiwan | 22.9833333 | 120.35 | 193 | 78105 |
| Yao-tien-k'ou | city | T'ai-wan Sheng | Taiwan | 23.3666667 | 120.3166667 | 91 | 49208 |
| Yao-ts'ao-yuan | city | T'ai-wan Sheng | Taiwan | 23.45 | 120.55 | 754 | 39877 |
| Yao-ts'ao-yüan | city | T'ai-wan Sheng | Taiwan | 23.45 | 120.55 | 754 | 39877 |
| Yao-ts'o | city | T'ai-wan Sheng | Taiwan | 23.6166667 | 120.35 | 49 | 70873 |
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