| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Сив-Сирма | city | Chuvashiya | Russia | 55.40 | 47.32 | 830 | 705 |
| Сивҫырма | city | Chuvashiya | Russia | 55.40 | 47.32 | 830 | 705 |
| Сигачево | city | Chuvashiya | Russia | 55.01 | 47.28 | 830 | 2831 |
| Сигачи | city | Chuvashiya | Russia | 55.01 | 47.28 | 830 | 2831 |
| Сиделево | city | Chuvashiya | Russia | 55.57 | 47.35 | 830 | 666 |
| Сиделево-Челкасы: | city | Chuvashiya | Russia | 55.53 | 47.27 | 347 | 659 |
| Сидели | city | Chuvashiya | Russia | 55.08 | 47.29 | 830 | 2897 |
| Сидуккасси | city | Chuvashiya | Russia | 56.05 | 46.78 | 830 | 3950 |
| Сидуккасы | city | Chuvashiya | Russia | 56.05 | 46.78 | 830 | 3950 |
| Сиккасси | city | Chuvashiya | Russia | 55.36 | 47.59 | 403 | 298 |
| Симекейкасы | city | Chuvashiya | Russia | 55.84 | 46.45 | 344 | 2415 |
| Сине-Кинчеры | city | Chuvashiya | Russia | 55.79 | 47.94 | 321 | 1633 |
| Синер | city | Chuvashiya | Russia | 55.73 | 46.77 | 830 | 2533 |
| Синерь | city | Chuvashiya | Russia | 55.73 | 46.77 | 830 | 2533 |
| Синъял-Ирх-Сирмы | city | Chuvashiya | Russia | 55.96 | 47.61 | 830 | 2329 |
| Синь-Алдыши | city | Chuvashiya | Russia | 55.62 | 47.09 | 830 | 3129 |
| Синь-Сурьял | city | Chuvashiya | Russia | 55.58 | 47.17 | 830 | 3129 |
| Синькасы | city | Chuvashiya | Russia | 55.72 | 47.00 | 351 | 2584 |
| Синькасы | city | Chuvashiya | Russia | 55.55 | 46.63 | 830 | 298 |
| Синьял | city | Chuvashiya | Russia | 55.84 | 47.52 | 830 | 3278 |
| Синьял Томлай | city | Chuvashiya | Russia | 56.03 | 46.95 | 830 | 2626 |
| Синьял Чурачики | city | Chuvashiya | Russia | 55.99 | 46.97 | 830 | 1538 |
| Синьял-Акрамово | city | Chuvashiya | Russia | 55.95 | 46.89 | 406 | 4023 |
| Синьял-Ирх-Сирмы | city | Chuvashiya | Russia | 55.96 | 47.61 | 830 | 2329 |
| Синьял-Караево | city | Chuvashiya | Russia | 55.73 | 47.05 | 377 | 3022 |
| Синьял-Карай | city | Chuvashiya | Russia | 55.73 | 47.05 | 377 | 3022 |
| Синьял-Котяки | city | Chuvashiya | Russia | 55.84 | 47.52 | 830 | 3278 |
| Синьял-Моргауши | city | Chuvashiya | Russia | 55.97 | 46.77 | 830 | 4023 |
| Синьял-Оринино | city | Chuvashiya | Russia | 56.03 | 46.81 | 830 | 3974 |
| Синьял-Оточево | city | Chuvashiya | Russia | 55.91 | 46.84 | 830 | 4023 |
| Синьял-Покровское | city | Chuvashiya | Russia | 56.06 | 47.02 | 830 | 2822 |
| Синьял-Убеево | city | Chuvashiya | Russia | 55.74 | 47.21 | 347 | 3725 |
| Синьял-Хоракасы | city | Chuvashiya | Russia | 55.92 | 46.80 | 830 | 4023 |
| Синьял-Чурачики | city | Chuvashiya | Russia | 55.99 | 46.97 | 830 | 1538 |
| Синьял-Чурино | city | Chuvashiya | Russia | 55.66 | 47.24 | 830 | 3110 |
| Синьял-Шатьма | city | Chuvashiya | Russia | 55.85 | 47.06 | 830 | 2985 |
| Синьял-Яуши | city | Chuvashiya | Russia | 55.67 | 47.06 | 830 | 3089 |
| Синьялы | city | Chuvashiya | Russia | 56.08 | 47.35 | 830 | 6493 |
| Синьялы | city | Chuvashiya | Russia | 56.03 | 47.26 | 830 | 455179 |
| Синьялы | city | Chuvashiya | Russia | 55.95 | 47.51 | 374 | 1221 |
| Синьялы | city | Chuvashiya | Russia | 55.89 | 47.20 | 830 | 1980 |
| Синьялы | city | Chuvashiya | Russia | 55.63 | 46.83 | 830 | 2850 |
| Синьялы Вторые | city | Chuvashiya | Russia | 55.77 | 47.51 | 830 | 3278 |
| Синьялы Первые | city | Chuvashiya | Russia | 55.73 | 47.35 | 830 | 3328 |
| Синьялы Первые | city | Chuvashiya | Russia | 55.95 | 47.75 | 830 | 4023 |
| Сирекли | city | Chuvashiya | Russia | 55.78 | 48.02 | 830 | 389 |
| Сирик-касы | city | Chuvashiya | Russia | 55.74 | 46.51 | 830 | 2530 |
| Сириккасы | city | Chuvashiya | Russia | 55.74 | 46.51 | 830 | 2530 |
| Сирикли | city | Chuvashiya | Russia | 55.82 | 47.11 | 830 | 3723 |
| Сирикли | city | Chuvashiya | Russia | 55.35 | 47.25 | 413 | 1589 |
| Сирма-Пось | city | Chuvashiya | Russia | 55.87 | 47.13 | 830 | 2506 |
| Сирмапоси | city | Chuvashiya | Russia | 55.75 | 47.06 | 830 | 3179 |
| Сирмапоси | city | Chuvashiya | Russia | 56.01 | 47.30 | 830 | 4832 |
| Сирмапоси | city | Chuvashiya | Russia | 56.02 | 47.44 | 830 | 18295 |
| Сирмапоси (Хыркасинского с/п) | city | Chuvashiya | Russia | 56.02 | 47.44 | 830 | 18295 |
| Систеби | city | Chuvashiya | Russia | 55.73 | 48.09 | 830 | 1033 |
| Сител | city | Chuvashiya | Russia | 55.08 | 47.29 | 830 | 2897 |
| Сител | city | Chuvashiya | Russia | 55.57 | 47.35 | 830 | 666 |
| Ситмиш | city | Chuvashiya | Russia | 55.74 | 47.93 | 830 | 2669 |
| Ситмиши | city | Chuvashiya | Russia | 55.74 | 47.93 | 830 | 2669 |
| Ситчараки | city | Chuvashiya | Russia | 55.93 | 47.38 | 830 | 1121 |
| Сиява | city | Chuvashiya | Russia | 55.14 | 46.51 | 328 | 1043 |