Countries Bordering Peru: Five Neighbors

Peru shares land borders with five countries (clockwise from north):

1. Ecuador — 1,529 km (northwest)
2. Colombia — 1,626 km (northeast, through Amazon)
3. Brazil — 2,995 km (east, longest border, Amazon basin)
4. Bolivia — 1,047 km (southeast, Lake Titicaca, Altiplano)
5. Chile — 171 km (south, Atacama Desert)

Total land boundary: ~7,168 km. Maritime boundary: Pacific Ocean (2,414 km coastline).

Peru also has a short maritime boundary dispute with Chile (resolved by ICJ 2014, granting Peru ~50,000 km² of ocean floor).