| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Olsa | city | Karnten | Austria | 46.95 | 14.42 | 2093 | 7627 |
| Olsa | city | Czech Republic | 48.40 | 16.98 | 830 | 15679 | |
| Olsa Malla | city | Uttarakhand | India | 29.68 | 79.64 | 4189 | 17814 |
| Olsaaker | city | Troms | Norway | 68.77 | 18.53 | 259 | 0 |
| Olsach | city | Karnten | Austria | 46.75 | 13.58 | 1683 | 6096 |
| Olsaeter | city | Nord-Trondelag | Norway | 64.22 | 11.95 | 830 | 236 |
| Olsaker | city | Troms | Norway | 68.77 | 18.53 | 259 | 0 |
| Olsakra | city | Kronoberg | Sweden | 57.05 | 14.58 | 830 | 1810 |
| Olsan-ni | city | Chungbuk | Korea, Republic of (South) | 36.83 | 128.37 | 2509 | 5179 |
| Olsanes | city | Nordland | Norway | 68.42 | 15.14 | 3 | 225 |
| Olsang | city | Blekinge | Sweden | 56.22 | 15.98 | 3 | 2377 |
| Olsany | city | Pardubicky Kraj | Czech Republic | 49.83 | 16.18 | 1669 | 3020 |
| Olsany | city | Olomoucky Kraj | Czech Republic | 49.54 | 17.16 | 882 | 21273 |
| Olsany | city | Plzensky Kraj | Czech Republic | 49.40 | 13.63 | 1788 | 3237 |
| Olsany | city | Jihomoravsky Kraj | Czech Republic | 49.25 | 16.87 | 1669 | 4962 |
| Olsater | city | Varmland | Sweden | 59.43 | 13.22 | 177 | 8851 |
| Olsatter | city | Varmland | Sweden | 59.72 | 13.48 | 232 | 600 |
| Olsau | city | Slaskie | Poland | 49.95 | 18.34 | 830 | 37598 |
| Olsavka | city | Presovsky | Slovakia | 49.29 | 21.69 | 1095 | 2067 |