The Kolkata metropolitan area is spread over 1,886.67 km2 (728.45 sq mi)[67]: 7 and comprises 4 municipal corporations (including Kolkata Municipal Corporation), 37 local municipalities and 24 panchayat samitis, as of 2011.[67]: 7 The urban agglomeration encompassed 72 cities and 527 towns and villages, as of 2006.[68] Suburban areas in the Kolkata metropolitan area incorporate parts of the following districts: North 24 Parganas, South 24 Parganas, Howrah, Hooghly and Nadia.[69]: 15 Kolkata, which is under the jurisdiction of the Kolkata Municipal Corporation (KMC), has an area of 206.08 km2 (80 sq mi).[68] The east–west dimension of the city is comparatively narrow, stretching from the Hooghly River in the west to roughly the Eastern Metropolitan Bypass in the east—a span of 9–10 km (5.6–6.2 mi).[70] The north–south distance is greater, and its axis is used to section the city into North, Central, South and East Kolkata.