Kľak
Kľak 
    Madarasalja  | |
|---|---|
Location of Kľak in the Banská Bystrica Region Location of Kľak in Slovakia  | |
| Coordinates: 48°35′N 18°39′E / 48.58°N 18.65°E | |
| Country | Slovakia | 
| Region | Banská Bystrica Region | 
| District | Žarnovica District | 
| First mentioned | 1828 | 
| Area | |
 • Total  | 22.81 km2 (8.81 sq mi) | 
| Elevation | 616 m (2,021 ft) | 
| Population  (2021)  | |
 • Total  | 171 | 
| Time zone | UTC+1 (CET) | 
| • Summer (DST) | UTC+2 (CEST) | 
| Postal code | 966 77  | 
| Area code | +421 45 | 
| Car plate | ZC | 
| Website | www | 
Kľak (Hungarian: Madarasalja) is a village and municipality in the Žarnovica District, Banská Bystrica Region in Slovakia.