Where did Buddha delivered his first sermon after attaining enlightenment?

Sarnath

The correct answer is Option 2- Sarnath

Buddha delivered his first sermon after attaining enlightenment at Sarnath, India. Sarnath is a town located in the present-day state of Uttar Pradesh. It is located about 13 kilometers northeast of Varanasi, a major city in eastern Uttar Pradesh.

According to Buddhist tradition, Buddha delivered his first sermon in Sarnath to five of his former companions who had abandoned him after he left the palace to seek enlightenment. In his sermon, Buddha taught the Four Noble Truths and the Eightfold Path, which are the core teachings of Buddhism.