Which country did Namikaze Minato save from?

The Kingdom of Thunder. According to the query on Youku Video APP, it was found that Namikaze Minato rescued Uzumaki Kushina from the Land of Thunder in "Naruto". Three Kumogakure ninjas lurked in Kushina's home. Kushina was kidnapped after returning home from school. Fortunately, Minato discovered it in time and successfully rescued Kushina. The anime tells the story of a nine-tailed demon fox with great power that attacked the Konoha ninja village ten years ago. The Fourth Hokage tried his best to seal the nine-tailed demon fox in the newborn Naruto at the cost of his own life. On people.