Great Barrier Reef

Coral reef system off the coast of Australia.

GBR

The Great Barrier Reef is a vast coral reef system located off the northeastern coast of Australia, recognized as one of the most diverse marine ecosystems in the world.

/ɡreɪt ˈbɑːriə ˈriːf/

The name refers to the reef's size and location off Australia's northeastern coast.

Barrier Reef

Coral Reef Marine Ecosystem

Inner Shelf Reef Outer Shelf Reef Lagoon Reef

Coral Polyp Fish Sea Turtle

World Heritage Site Australia

ecological zone marine ecosystem natural object