The document provides a summary of the origins and history of Mumbai, India. It discusses how Mumbai was originally made up of seven islands inhabited by Koli fishermen and Aagri salt makers. It describes how the name Mumbai came from the goddess Mumbadevi and the building of the Mumbadevi temple. It then summarizes the city's history under successive ruling dynasties and periods of Portuguese and British rule. It also outlines the merging of the seven islands into today's Mumbai and provides the origins of some local place names derived from geographical features and earlier inhabitants. The summary is provided in 3 sentences.