The site of birth (nativity) of Gautam Buddha is marked by

The correct answer is: A “Rummindei Pillar” of Ashok Maurya.

The Lumbini Garden in Nepal is the site of the birth of Gautama Buddha, the founder of Buddhism. It is a UNESCO World Heritage Site and one of the most important pilgrimage sites in Buddhism. The garden is marked by a pillar erected by Ashoka the Great, the Mauryan emperor who converted to Buddhism in the 3rd century BCE. The pillar is inscribed with a decree by Ashoka that declares the site to be a holy place and orders that it be protected.

The other options are incorrect. A monastery is a