Chennai Metropolitan Development Authority

{{Short description|State agency of Tamil Nadu, India}}

{{Use dmy dates|date=June 2018}}

{{Use Indian English|date=June 2018}}

{{Infobox government agency

| agency_name = Chennai Metropolitan Development Authority

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| logo = Chennai Metropolitan Development Authority Logo.jpg

| logo_width = 150px

| logo_caption = CMDA Logo

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| formed = 1974

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| jurisdiction = Government of Tamil Nadu

| headquarters = Egmore, Chennai, Tamil Nadu

| coordinates = {{coord|13.07790|N|80.26489|E|display=title}}

| motto = Better Chennai is Our Motto

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| minister1_name = P.K.Sekar Babu

| minister1_pfo = Minister for CMDA| minister2_name =

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| agency_type = Urban Planning Agency

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| parent_agency = Municipal Administration and Urban Development

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| website = {{Official URL}}

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The Chennai Metropolitan Development Authority (CMDA), formerly known as the Madras Metropolitan Development Authority (MMDA), is the nodal planning agency of Chennai in the Indian state of Tamil Nadu. The CMDA administers the Chennai Metropolitan Region, spread over an area of {{Convert|5904|km2|abbr=on}} and covers the districts of Chennai, Thiruvallur, Chengalpattu, Ranipet and Kancheepuram.{{cite news|url= https://www.thehindu.com/news/cities/chennai/government-issues-order-for-expanding-chennai-metropolitan-planning-area-to-5904-sq-km/article66041750.ece |title=Order issued for expansion of Chennai to 5,904 sq. km; over 1,200 villages set to be added |publisher=The Hindu |date=2022-10-22}} It was set up for the purposes of planning, co-ordination, supervising, promoting and securing the planned development of the Chennai Metropolitan Area. It coordinates the development activities of the municipal corporations, municipalities and other local authorities.