Thane is known as Elder Sister of Mumbai (Bombay), as Thane district was divided and part of Thane district that is from Mulund to Sion was given to Mumbai for its future development. Also, Mumbai depends heavily on Thane for water supply from lakes. Thane for all practical purposes is a suburb of Mumbai. Today Thane city area is 147 sq.kms with more than 1.2 million population.It is worth mentioning for the 30 lakes located within and around the city, earning it the sobriquet of Lake City . Apart from being a source of water for Thane and its larger neighbour, Mumbai, the lakes are also tourist attractions. The areas surrounding the city are beautiful. The scenic locales, old forts, boat rides and resorts make Thane a great getaway from Mumbai.