Kanchipuram district is a district in the northeast of the state of Tamil Nadu in India. The district has a total geographical area of 4,432 square kilometres (1,711 sq mi) and coastline of 57 kilometres (35 mi). The town of Kanchipuram is the district headquarters. Kanchipuram District had been administered by the Pallavas, Cholas, Vijayanagar rulers and the British before Independence.