Tiruvallūr is a district located in the Indian state of Tamil Nadu, in the South Zone of the country. It is known for its rich cultural heritage, historical significance, and natural beauty. The district is home to several ancient temples, including the famous Veeraraghava Perumal Temple and the Sri Subramanya Swamy Temple, which attract pilgrims and tourists from all over the country. Tiruvallūr is also known for its picturesque landscapes, with lush greenery, rolling hills, and serene lakes. The district is a popular destination for nature lovers and outdoor enthusiasts, offering opportunities for trekking, birdwatching, and wildlife spotting.