Which country is called foreign country?
A foreign country is any other country than your own.
A diplomat who resides in a foreign country where he represents his home country is called an ambassador. In many cases there is an embassy of various foreign governments within any given country. They as a group represent the country of their origin. They are classified as foreign service representatives or diplomats. Normally the top foreign service person is an ambassador.
It depends on whether you live there or not. If you do not live there, it is a foreign country. If you live there, it is not a foreign country. Instead, it is called a mother country. ex)A person who lives in America would call Norway a foreign country because he or she does not live there. In contrast, a person who lives in Norway would call Norway his or her mother country because he…
Countries do not have affairs in the way you imply in your question. Countries have foreign relations with other countries and the department that deals with these relationships is called the foreign affairs department. A foreign affairs department will have relations with all countries. some of which will be ambassadorial relationships.