One of the 38 districts (an administrative district) of the Indian state of Tamil Nadu is called Tiruvallur district, sometimes written as Thiruvallur district. The district center lies in Tiruvallur, a city that is rapidly growing. The district combines elements of the urban and rural worlds. Due to its location, the northern portion of the Tiruvallur district is influenced by Andhra culture, whereas the eastern section of the region is dominated by urban traits.