| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ya-mu-liao | city | Taibei | Taiwan | 25.08 | 121.58 | 65 | 514556 |
| Ya-mu-ling | city | Taibei | Taiwan | 25.08 | 121.58 | 65 | 514556 |
| Yamuliao | city | Taibei | Taiwan | 25.08 | 121.58 | 65 | 514556 |
| Yang-ch'ou | city | Taibei | Taiwan | 25.06 | 121.59 | 55 | 397134 |
| Yang-ch’ou | city | Taibei | Taiwan | 25.06 | 121.59 | 55 | 397134 |
| Yang-ming Shan Farm | city | Taibei | Taiwan | 25.16 | 121.58 | 2509 | 475399 |
| Yang-ming Shan Mu-ch'ang | city | Taibei | Taiwan | 25.16 | 121.58 | 2509 | 475399 |
| Yang-ming Shan Mu-ch’ang | city | Taibei | Taiwan | 25.16 | 121.58 | 2509 | 475399 |
| Yang-ming Shan Nung-ch'ang | city | Taibei | Taiwan | 25.16 | 121.58 | 2509 | 475399 |
| Yang-ming Shan Nung-ch’ang | city | Taibei | Taiwan | 25.16 | 121.58 | 2509 | 475399 |
| Yang-ming-shan | city | Taibei | Taiwan | 25.15 | 121.55 | 1758 | 793402 |
| Yang-ming-shan-kuan-li-chü | city | Taibei | Taiwan | 25.15 | 121.55 | 1758 | 793402 |
| Yangming Shan Nongchang | city | Taibei | Taiwan | 25.16 | 121.58 | 2509 | 475399 |
| Yangmingshan | city | Taibei | Taiwan | 25.15 | 121.55 | 1758 | 793402 |
| Yanjijie | city | Taibei | Taiwan | 25.05 | 121.55 | 19 | 614555 |
| Yen-chi-chieh | city | Taibei | Taiwan | 25.05 | 121.55 | 19 | 614555 |
| Yising | city | Taibei | Taiwan | 25.04 | 121.62 | 196 | 163506 |
| Yixing | city | Taibei | Taiwan | 25.04 | 121.62 | 196 | 163506 |
| Yongfu | city | Taibei | Taiwan | 25.11 | 121.55 | 416 | 927074 |
| Yongling | city | Taibei | Taiwan | 25.11 | 121.54 | 830 | 1003318 |
| Yu-ch'ao-k'eng | city | Taibei | Taiwan | 25.12 | 121.52 | 29 | 1090849 |
| Yu-ch'ou-hu | city | Taibei | Taiwan | 25.12 | 121.53 | 285 | 1050708 |
| Yu-heng-tzu | city | Taibei | Taiwan | 25.00 | 121.60 | 246 | 142362 |
| Yuan-shan | city | Taibei | Taiwan | 25.08 | 121.53 | 16 | 967479 |
| Yuanshan | city | Taibei | Taiwan | 25.08 | 121.53 | 16 | 967479 |
| Yuchaokeng | city | Taibei | Taiwan | 25.12 | 121.52 | 29 | 1090849 |
| Yuchouhu | city | Taibei | Taiwan | 25.12 | 121.53 | 285 | 1050708 |
| Yuhengzi | city | Taibei | Taiwan | 25.00 | 121.60 | 246 | 142362 |
| Yuhengzih | city | Taibei | Taiwan | 25.00 | 121.60 | 246 | 142362 |
| Yung-fu | city | Taibei | Taiwan | 25.11 | 121.55 | 416 | 927074 |
| Yung-ling | city | Taibei | Taiwan | 25.11 | 121.54 | 830 | 1003318 |
| Yòng-mìn-sân Koet-kâ Kûng-yèn | city | Taibei | Taiwan | 25.15 | 121.55 | 1758 | 793402 |
| Yü-chieh-tzu | city | Taibei | Taiwan | 25.00 | 121.60 | 246 | 142362 |
| Yü-ch’ao-k’eng | city | Taibei | Taiwan | 25.12 | 121.52 | 29 | 1090849 |
| Yü-ch’ou-hu | city | Taibei | Taiwan | 25.12 | 121.53 | 285 | 1050708 |