Foreign Country
Other Countries, Overseas
noun, の adjective
An outside country is one outside of your own country. That is a foreign country, other countries, or overseas.
がいこく
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
わたしたちはまだ外国に行ったことがありません。
We haven’t gone to other countries yet.
外国へでんわをするのはこれがはじめてです。
This is my first time making an overseas call.
もし外国にいるなら、有名人になっても構わない。
I wouldn’t mind being a celebrity if I was in a foreign country.