You're on the right tracks. You could try this:
Introducing Chile.介绍智利/谈一谈智利(the former one is correct while the later one is better)
People that know Chile are very few, so I want to introduce you to my country.知道智利(这个国家) 的人非常少,所以我想为大家(/你们)介绍一下我的国家。