What country has the highest population density of any non island region in the world?

Answer

a place that you have never been to or heard of.

The top 6 most densely populated countries in the world are (excluding territories and protectorates):

1. Monaco (city-state)
   
2. Singapore (city-state)
   
3. Vatican City (city-state)
   
4. Malta (island nation)
   
5. Bahrain (island nation)
   
6. Bangladesh