Hey as The Mumbai Metropolitan Region extends over an area of 4355 sq. km and comprises Municipal Corporations of Greater Mumbai, Thane, Kalyan, Navi Mumbai and Ulhasnagar; 15 municipal towns; 7 non-municipal urban centers; and 995 villages.

Mumbai Metropolitan Region
Mumbai Metropolitan Region (MMR) is a metropolitan area consisting of the metropolis of Mumbai and its satellite towns in Maharashtra. Developing over a period of about 20 years, it consists of seven municipal corporations and fifteen smaller municipal councils

Municipal Corporations
Mumbai
Thane
Kalyan-Dombivali
Ulhasnagar
Mira-Bhayandar
Bhiwandi Nizampur
Navi Mumbai
Vasai-Virar

Municipal Councils
Alibag
Ambernath
Karjat
Khopoli
Kulgaon Badlapur
Matheran
Panvel
Pen
Uran