Sarnath: The Buddha's inaugural sermon, the "Dhammacakkappavattana Sutta," was delivered at Sarnath, near Varanasi. This marked a pivotal moment in Buddhism, formalizing the Buddha's teachings.
Bodh Gaya: While Bodh Gaya is where the Buddha achieved enlightenment, it is not the location of his first sermon.
Amravati: Amravati, a notable Buddhist site in Andhra Pradesh, holds no connection to the Buddha's initial sermon.
Sanchi: Sanchi, recognized for its stupas and edifices, is not the site where the Buddha delivered his first sermon.