Steckborn
| Steckborn | |
|---|---|
| Location of Steckborn | |
| Coordinates: 47°40′N 8°59′E / 47.667°N 8.983°E | |
| Country | Switzerland | 
| Canton | Thurgau | 
| District | Frauenfeld | 
| Area | |
|  • Total | 8.8 km2 (3.4 sq mi) | 
| Elevation | 400 m (1,300 ft) | 
| Population  (31 December 2018) | |
|  • Total | 3,753 | 
| • Density | 430/km2 (1,100/sq mi) | 
| Time zone | UTC+01:00 (Central European Time) | 
| • Summer (DST) | UTC+02:00 (Central European Summer Time) | 
| Postal code(s) | 8266 | 
| SFOS number | 4864 | 
| ISO 3166 code | CH-TG | 
| Surrounded by | Berlingen, Gaienhofen (Germany), Homburg, Mammern, Öhningen (Germany), Raperswilen | 
| Website | steckborn SFSO statistics | 
Steckborn is a municipality in Frauenfeld District in the canton of Thurgau in Switzerland.
It is located on the south-western arm of Lake Constance known in German as the Untersee ("Lower Lake").