Matsuyama is the largest city in Shikoku, known for its historic castle and hot springs. The city features attractions like Matsuyama Castle, Dogo Onsen (one of Japan's oldest hot springs), and the Ishiteji Temple. Matsuyama is famous for its literary connections, particularly to novelist Natsume Soseki, and hosts various cultural events. The city offers a perfect blend of historical sites and modern amenities.