Nannilam Block is a revenue division located in the Thiruvarur district of Tamil Nadu, India. It is known for its agricultural activities, with rice being the primary crop cultivated in the region. The block consists of several villages, each contributing to the local economy through farming and related activities. The area is characterized by its rich cultural heritage and traditional practices. Nannilam Block is also home to various temples and local festivals, reflecting the vibrant community life. The block plays a significant role in the overall development of the Thiruvarur district through its agricultural output and cultural contributions.