Final answer:
Peru is the country with a large active volcano outside of Arequipa, Mitsi.
Step-by-step explanation:
The country with a large active volcano outside of Arequipa, Mitsi is Peru. Peru is home to numerous active volcanoes, including the famous Misti volcano located near the city of Arequipa. Misti is a stratovolcano and its last eruption occurred around 600 years ago. It stands at an impressive height of 5,822 meters above sea level.