Japan is lovely place to visit. It is an independent Island country in east asia
Tell me more about that Volcanic archipelago! 
The island of Japan was formed rom volcanic activity consisting of about 6852 islands 
What is the current population of it's capital city?
Japan is well populated
Fantastic, how  modern is Japan compared with Hong Kong?
lol. I like Hong Kong. So I would say It's more modern than JapanThe country has eight regions, with Hokkaido being the northernmost prefecture and Okinawa being the southernmost one.