Seoul and some other random one.
Monaco, Singapore and South Korea are the most densely populated countries in the world. Mongolia, Namibia and Australia are least densely populated
Seoul
Asia, particularly countries like Japan and South Korea, had the most densely populated metropolitan areas in the twentieth century. Cities like Tokyo and Seoul experienced rapid population growth and urbanization, leading to high population density in their metropolitan areas.
South Korea
The Northern Plains are the densely populated region of India. Uttar Pradesh is the densely populated state of India. Delhi is the densely populated city in India.
Guyana
less densely populated
The largest island of the more densely populated south western oceanic island group is Papua New Guinea
I think there are 28 cities in South Korea .
It is the 24th most populated and the 24th most densely populated US State.
Bangladesh
No Idaho is less densely populated with only 15.64 persons per square mile compared to South Carolina with 143.4 persons per square mile.