Sivakasi is a city in Virudhunagar District in the Indian state of Tamil Nadu. The city is known for firecrackers and match factories that produce 70% of the country's produce. The printing industries in Sivakasi produce 30% of the total diaries produced in India. The industries in Sivakasi employ over 25,000 people and the estimated turnover of the firecracker, match making and printing industries in the city is around ₹20 billion (US$250 million). The major issues in the city are the frequent accidents in the firecracker factories and the high level of child labour.

Virudhunagar is a city and the administrative headquarter of the Virudhunagar district in the Indian state of Tamil Nadu. It is located 506 km (314 mi) southwest of the state capital Chennai and 53 km (33 mi) south of Madurai. Virudhunagar emerged as an important trade centre during the British rule. Located to the east of Kowsika River, Virudhunagar has an average elevation of 102 m (335 ft) above sea level and is largely flat with no major geological formations. The town has a humid climate and receives 780 mm (31 in) rainfall annually. It has been ruled at various times by Later Pandyas, Vijayanagar Empire, Madurai Nayaks, Chanda Sahib, Carnatic kingdom and the British. It was formerly known as Virudhupatti.