Hallau
| Hallau | |
|---|---|
| Location of Hallau | |
| Coordinates: 47°41′N 8°27′E / 47.683°N 8.450°E | |
| Country | Switzerland | 
| Canton | Schaffhausen | 
| District | n.a. | 
| Area | |
|  • Total | 15.32 km2 (5.92 sq mi) | 
| Elevation | 421 m (1,381 ft) | 
| Population  (31 December 2018) | |
|  • Total | 2,220 | 
| • Density | 140/km2 (380/sq mi) | 
| Time zone | UTC+01:00 (Central European Time) | 
| • Summer (DST) | UTC+02:00 (Central European Summer Time) | 
| Postal code(s) | 8215 | 
| SFOS number | 2971 | 
| ISO 3166 code | CH-SH | 
| Surrounded by | Eggingen (DE-BW), Neunkirch, Oberhallau, Stühlingen (DE-BW), Trasadingen, Wilchingen | 
| Twin towns | Bergün (Switzerland) | 
| Website | hallau Profile (in German), SFSO statistics | 
Hallau is a municipality in the canton of Schaffhausen in Switzerland.