What countries were at war in the play Macbeth?

At the start of Macbeth, MacBeth is fighting Norway when he became the Thane of Cawdor after the present thane's death. However, once MacBeth becomes the king of Scotland himself, MacDuff leads an army in civil war against him eventually resulting in his death. Scotland was in constant turmoil and revolt against MacBeth until he was removed from power when Malcolm was named the new king.