| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sienciaszka | city | Lubelskie | Poland | 51.93 | 22.31 | 830 | 15424 |
| Sieniawa | city | Lubuskie | Poland | 52.36 | 15.38 | 416 | 2800 |
| Sieniawa | city | Podkarpackie | Poland | 50.18 | 22.61 | 830 | 5434 |
| Sieniawa | city | Podkarpackie | Poland | 49.55 | 21.92 | 1148 | 8737 |
| Sieniawa | city | Malopolskie | Poland | 49.54 | 19.94 | 2509 | 12060 |
| Sieniawa Żarska | city | Lubuskie | Poland | 51.64 | 15.06 | 830 | 10452 |
| Sieniawka | city | Dolnoslaskie | Poland | 50.90 | 14.84 | 830 | 27694 |
| Sieniawka | city | Dolnoslaskie | Poland | 50.78 | 16.78 | 830 | 5270 |
| Sieniawka | city | Podkarpackie | Poland | 50.15 | 23.29 | 830 | 3593 |
| Sieniawki | city | Podkarpackie | Poland | 50.15 | 23.29 | 830 | 3593 |
| Sienica | city | Pomorskie | Poland | 53.81 | 17.88 | 830 | 3692 |
| Sienica | city | Zachodniopomorskie | Poland | 53.40 | 15.98 | 393 | 2900 |
| Sienica | city | Podlaskie | Poland | 52.80 | 22.40 | 830 | 3682 |
| Sienica Daćbogi | city | Podlaskie | Poland | 52.80 | 22.40 | 830 | 3654 |
| Sienica Gize | city | Podlaskie | Poland | 52.80 | 22.43 | 830 | 3546 |
| Sienica Jasiochy | city | Podlaskie | Poland | 52.80 | 22.40 | 830 | 3654 |
| Sienica Karasie | city | Podlaskie | Poland | 52.80 | 22.39 | 830 | 3715 |
| Sienica Klawy | city | Podlaskie | Poland | 52.80 | 22.38 | 830 | 3758 |
| Sienica Lukasze | city | Podlaskie | Poland | 52.80 | 22.44 | 830 | 3515 |
| Sienica Pierce | city | Podlaskie | Poland | 52.80 | 22.42 | 830 | 3579 |
| Sienica Pietrasze | city | Podlaskie | Poland | 52.82 | 22.40 | 830 | 3789 |
| Sienica Puziki | city | Podlaskie | Poland | 52.81 | 22.40 | 830 | 3751 |
| Sienica Swiechy | city | Podlaskie | Poland | 52.81 | 22.42 | 830 | 3673 |
| Sienica Szymanki | city | Podlaskie | Poland | 52.80 | 22.44 | 830 | 3515 |
| Sienica Łukasze | city | Podlaskie | Poland | 52.80 | 22.44 | 830 | 3515 |
| Sienice | city | Dolnoslaskie | Poland | 50.77 | 16.87 | 830 | 5091 |
| Sienice | city | Lubuskie | Poland | 51.41 | 14.98 | 830 | 1068 |
| Sienicki Mlyn | city | Lubuskie | Poland | 52.77 | 14.85 | 164 | 3415 |
| Sienicki Młyn | city | Lubuskie | Poland | 52.77 | 14.85 | 164 | 3415 |
| Sienickie | city | Podlaskie | Poland | 53.52 | 22.48 | 830 | 571 |
| Sieniczno | city | Malopolskie | Poland | 50.26 | 19.62 | 1669 | 32093 |
| Sieniec | city | Lodzkie | Poland | 51.24 | 18.67 | 830 | 12293 |
| Sieniewice | city | Podlaskie | Poland | 52.43 | 22.67 | 830 | 2796 |
| Sieniewicze | city | Podlaskie | Poland | 52.43 | 22.67 | 830 | 2796 |
| Sienkiewicze | city | Podlaskie | Poland | 53.14 | 23.04 | 830 | 39279 |
| Sienna | city | Dolnoslaskie | Poland | 50.26 | 16.82 | 2755 | 5367 |
| Sienna | city | Malopolskie | Poland | 49.71 | 20.71 | 1105 | 9955 |
| Sienna | city | Slaskie | Poland | 49.68 | 19.14 | 1669 | 27413 |
| Sienna Huta | city | Pomorskie | Poland | 54.37 | 18.72 | 59 | 86211 |
| Siennabuda | city | Pomorskie | Poland | 54.37 | 18.72 | 59 | 86211 |
| Siennica | city | Mazowieckie | Poland | 52.57 | 20.79 | 337 | 7226 |
| Siennica | city | Mazowieckie | Poland | 52.09 | 21.62 | 830 | 5269 |
| Siennica Krolewska | city | Lubelskie | Poland | 51.01 | 23.27 | 830 | 5389 |
| Siennica Krolewska | city | Lubelskie | Poland | 50.99 | 23.28 | 830 | 4842 |
| Siennica Krolewska Mala | city | Lubelskie | Poland | 51.01 | 23.27 | 830 | 5389 |
| Siennica Krolewska Pierwsza | city | Lubelskie | Poland | 51.01 | 23.27 | 830 | 5389 |
| Siennica Królewska Druga | city | Lubelskie | Poland | 50.99 | 23.28 | 830 | 4842 |
| Siennica Królewska Duża | city | Lubelskie | Poland | 50.99 | 23.28 | 830 | 4842 |
| Siennica Królewska Mała | city | Lubelskie | Poland | 51.01 | 23.27 | 830 | 5389 |
| Siennica Nadolna | city | Lubelskie | Poland | 51.01 | 23.21 | 830 | 16180 |
| Siennica Rozana | city | Swietokrzyskie | Poland | 51.00 | 21.32 | 830 | 11775 |
| Siennica Różana | city | Lubelskie | Poland | 51.00 | 23.33 | 830 | 3778 |
| Siennica Święchy | city | Podlaskie | Poland | 52.81 | 22.42 | 830 | 3673 |
| Siennickie | city | Mazowieckie | Poland | 52.55 | 20.78 | 357 | 6938 |
| Siennicy Różanej | city | Lubelskie | Poland | 51.00 | 23.33 | 830 | 3778 |
| Sienno | city | Kujawsko-Pomorskie | Poland | 53.28 | 18.16 | 347 | 4203 |
| Sienno | city | Wielkopolskie | Poland | 52.76 | 17.20 | 288 | 20789 |
| Sienno | city | Lubuskie | Poland | 52.47 | 14.78 | 278 | 2850 |
| Sienno | city | Wielkopolskie | Poland | 52.38 | 17.99 | 380 | 4074 |
| Sienno | city | Mazowieckie | Poland | 51.09 | 21.48 | 830 | 3760 |
| Sienno Dolne | city | Zachodniopomorskie | Poland | 53.65 | 15.33 | 229 | 2318 |
| Siennow | city | Podkarpackie | Poland | 49.96 | 22.48 | 830 | 10730 |
| Siensko | city | Wielkopolskie | Poland | 52.77 | 17.19 | 295 | 24549 |
| Siensko | city | Swietokrzyskie | Poland | 50.62 | 20.04 | 931 | 4596 |