Officially the world’s smallest island nation, palm-fringed Nauru lies in the Pacific Ocean about 3,000 kilometres north-east of Australia with a population of 10,000 citizens. Visit the friendly Nauru Pavilion to experience its marine highlights, from fishing to scuba diving to snorkelling. learn about this tiny island's biggest move: undersea mining for metals essential for the clean-energy industry, such as nickel, cobalt, and manganese - a potentially transformative opportunity for this Pacific nation.