| Name | Nynäshamn |
| Office head of government | |
| Mayor | |
| Image |  |
| Area (m²) | 6,680,000 |
| Date founded | |
| Elevation (m) | |
| Country | Sweden |
| Administrative division | Stockholm County |
| Continent | Europe |
| Latitude (°) | 58.9000015259 |
| Waterbody | |
| Longitude (°) | 17.9500007629 |
| Website | |
| Population (people) | 15,066 (31/12/2019) |
| Demonym |