Area - comparative:

slightly smaller than twice the size of Montana

Land boundaries:

total: 6,339 km border countries: Argentina 5,308 km, Bolivia 860 km, Peru 171 km

Coastline:

6,435 km

Maritime claims:

territorial sea: 12 nm contiguous zone: 24 nm exclusive economic zone: 200 nm continental shelf: 200/350 nm

Climate:

temperate; desert in north; Mediterranean in central region; cool and damp in south