Tiruchirappalli is the fourth largest city of Tamilnadu in India, after Chennai, Coimbatore and Madurai . It is situated in the centre of the state, on the banks of the Cauvery River. Tiruchirappalli is a corporation and the administrative headquarters of Tiruchirapalli District.
Srirangam, a Vaishnavite temple and the biggest functioning Hindu temple in the world. and Thiruvanaikovil, one of the five main abodes of Lord Shiva are in and around Tiruchirappalli. The famous scientist Sir C.V.Raman was born in Thiruvanaikovil and his house has been preserved as a museum.

The name of the town, "Tiruchirappalli", originated as a tribute to a Jain monk called "Chira". There is also a belief that Tiruchirappalli was named after a three headed demon "Trishira", the son of Ravana, who performed penance at the Siva temple here and obtained boons.
Tiruchirappalli City is one of the major tourist spot in Tamilnadu and it is well connected by road and railways with all the major cities of the Tamilnadu state. The famous “Rockfort Express” and “Pallavan Express” are connecting the Rock city with Chennai., the capital city of the state. Also Government and Private buses are commuting from the city to all major cities.

Tiruchirapalli is home to many historic temples, monuments, churches and mosques. Woraiyur a part of Tiruchirappalli was the capital of the early Cholas. The oldest man- made dam Kallanai was built by Karikala Cholan across the river Cauvery at about 10 miles from Woraiyur. It was an important town in the days of the later Cholas, Nayaks as well as during the early days of the British East India Company. The Madurai Nayak rulers changed their capital from Madurai to Tiruchirapalli and back several times. The conquest of Tiruchirappalli by the British East India Company marked a major step in the British conquest of India.

Tiruchirappalli city is also called “Rock City” because of the famous landmark, “Rock Fort”, a huge single rock of 83 metres high at the southern bank of the Cauvery river. From the bottom we can reach the top of the rock by climbing about 500 stone steps carved inside the rock. On top of the rock is the Ucchi Pillayar Koil, a temple dedicated to Lord Vinayaka. The temple was also used as a military fort by the Nayaks for some time. On the southern face of the rock are several beautifully carved cave temples of the Pallava period. On to the eastern side is Sri Nandrudayan Vinayakar Temple, with the powerful Lord Ganesha as the main deity. A big sized Ganesha and other rare deities can be seen in this temple,which hosts festivals every year during the Vinayaka Chathurthi and many carnatic musicians and stalwarts have given musical concerts over 70 years in this famous shrine.

The river Cauvery is having many bridges across it on its way from its point of origin at kudagu hills in Karnataka state to its entry into the Bay of Bengal. The long and broad bridge across the Cauvery river at Tiruchirappalli is and added attraction to the rock-city. The residents of the city and the tourists enjoy cold breeze from the beautiful bridge in the evenings.