Llay-Llay
Llay-Llay 
    Llaillay  | |
|---|---|
| Coordinates: 32°50′25″S 70°56′54″W / 32.84028°S 70.94833°W | |
| Country | Chile | 
| Region | Valparaíso | 
| Province | San Felipe de Aconcagua | 
| Government | |
| • Type | Municipality | 
| • Alcalde | Mario Marillanca | 
| Area | |
 • Total  | 349.1 km2 (134.8 sq mi) | 
| Elevation | 385 m (1,263 ft) | 
| Population  (2012 Census)  | |
 • Total  | 22,659 | 
| • Density | 65/km2 (170/sq mi) | 
| • Urban | 16,215 | 
| • Rural | 5,429 | 
| Sex | |
| • Men | 10,799 | 
| • Women | 10,845 | 
| Time zone | UTC-4 (CLT) | 
| • Summer (DST) | UTC-3 (CLST) | 
| Area code | 56 + 34 | 
| Website | www | 
Llay-Llay is a town and commune in the San Felipe de Aconcagua Province of central Chile's Valparaíso Region.