Chettinad houses are located in the Chettinad region of Tamil Nadu, India. The Chettiars, a business community, settled here in the 13th century. Their trading activities made them prosperous. Chettinad houses have distinct features like central courtyards, verandahs, platforms, and rooms opening onto corridors. The multi-story mansions combine elements of vernacular South Indian and European architecture. They use local materials like brick, lime plaster, and terracotta tiles suited to the hot climate. The houses are organized around nine clan temples and have tanks and reservoirs for water management. Arts and crafts like wood carving, basket weaving, and tile making also flour