How many countries did Ivan the terrible take over in his lifetime?

Ivan the Terrible, the first Tsar of Russia, expanded his territory significantly during his reign from 1547 to 1584. He is known for the conquest of the Khanates of Kazan and Astrakhan, which were part of the Tatar states, and for further territorial expansion into Siberia. While he did not conquer multiple independent countries in the modern sense, his conquests included several regions and peoples that contributed to the growing Russian Empire. Overall, his expansion efforts included significant campaigns against various regional powers rather than a specific number of distinct countries.