No, it is actually pretty small. The United States is the third largest country.
Japan is very developed as it has the third largest economy in the world.
Mayo is the third biggest county in Ireland.
Japan.............du:P
INDIA
Harrisonburg by size
the world's third largest producer of nuclear capacity is Japan.
Japan.
Japan
Kyushu is the third largest island of Japan. Tokyo is the capital city of Japan.
That would depend on what criteria you judge "main county" by. Dublin would be the popular answer. It contains the largest city and the capital of Ireland and it has the largest population, but it is the third smallest county in Ireland. Cork is the largest county.
The county of Mayo is much bigger than the county of Dublin. Mayo is the third largest county in Ireland and Dublin is the third smallest county in Ireland. The city of Dublin is larger than the town of Mayo.
Kyushu is the third-largest of the four main islands of Japan.