Pulicat or Pazhaverkadu is a historic seashore town in Chennai Metropolitan Area at Thiruvallur District, of Tamil Nadu state, India. It is about 60 kilometres (37 mi) north of Chennai and 3 kilometres (1.9 mi) from Elavur, on the southern periphery of the Pulicat Lake. Pulicat Lake is a shallow salt water lagoon which stretches about 60 kilometres (37 mi) along the coast. With lakeside and seashore development as well as several Special Economic Zones (SEZs).