Explanation:

- The Great Barrier Reef is a world-renowned natural wonder famous for its vast diversity of marine life and breathtaking coral formations.

- Option 1: India

- India is known for its rich culture, diverse wildlife, and the beautiful landscapes of the Himalayas and its beaches, but it does not house the Great Barrier Reef.

- Option 2: Pakistan

- Pakistan has stunning northern mountains and rich cultural heritage, yet it is not the location of the Great Barrier Reef.

- Option 3: Australia

- Australia is the correct location for the Great Barrier Reef.

- ?? The Great Barrier Reef stretches over 2,300 kilometers off the coast of Queensland, Australia.

- Option 4: South Africa

- South Africa is famous for its wildlife and the distinctive beauty of Cape Town, but it does not contain the Great Barrier Reef.