Wow! Is phosphate mining part of their economy? 
 I think that's all I need to know. Thank you so much. 
 What can you say about their geography? 
 Hi, I never heard of Nauru before, can you tell me about it? 
 Nauru has the smallest population size of any country located in Oceania.
Nauru has the smallest population size of any country located in Oceania.