Montsià
| Montsià | |
|---|---|
| Country | Spain | 
| Autonomous community | Catalonia | 
| Region | Terres de l'Ebre | 
| Province | Tarragona | 
| Capital | Amposta | 
| Municipalities | |
| Government | |
| • Body | Montsià Comarcal Council | 
| • President | Sergi Guimerà (PSC) | 
| Area | |
|  • Total | 735.5 km2 (284.0 sq mi) | 
| Population  (2014) | |
|  • Total | 69,613 | 
| • Density | 95/km2 (250/sq mi) | 
| Demonym | |
| Time zone | UTC+1 (CET) | 
| • Summer (DST) | UTC+2 (CEST) | 
| Largest municipality | Amposta | 
Montsià (Western Catalan: [monsiˈa]) is a comarca (county) of the Terres de l'Ebre region, in Catalonia (Spain). It is the southernmost comarca and its capital and largest city is Amposta.