Omni314
Prince
My guess is that these are the countries that have "kingdom" in their official names.
Monaco and Liechtenstein are principalities, and I think most of the commonwealth countries simply use the term "monarchy".
Correctamundo!

My guess is that these are the countries that have "kingdom" in their official names.
Monaco and Liechtenstein are principalities, and I think most of the commonwealth countries simply use the term "monarchy".