User: What are some former names for the city of Mumbai?
Assistant: The city of Mumbai carries its official name since 1995, some former names of the city were: Mombayn (1525), Bombay (1538), Bombain (1552), Bombaym (1552), Monbaym (1554), Mombaim (1563), Mombaym (1644), Bambaye (1666), Bombaiim (1666), Bombeye (1676), Boon Bay (1690), Bon Bahia, Bombay, Manbai, Mambai, Bambai