Madama Butterfly Setting is set in Nagasaki, Japan. It is an opera by Giacomo Puccini that tells the story of a young Japanese geisha who falls in love with an American naval officer. The setting of the opera is in the late 19th century, when Japan was opening up to the West. Nagasaki is a port city located on the island of Kyushu and has a long history of foreign trade and cultural exchange.