What 2 nations were split up during the Cold War?

During the Cold War, Germany and Korea were two nations that were split. Germany was divided into East Germany (the German Democratic Republic), aligned with the Soviet Union, and West Germany (the Federal Republic of Germany), aligned with the West. Similarly, Korea was split into North Korea, supported by the Soviet Union and China, and South Korea, backed by the United States and its allies. These divisions were emblematic of the broader geopolitical tensions of the era.