India.
Asoka was the name of the king who spread Buddhism.
Yes Buddhism spread fast in India.
Buddhism first spread throughout India. Then it spread into China. As it spread into China it spread into Sri Lanka and then to Southeast Asia. From China it spread into Tibet, Korea and Japan. As of now Buddhism is practiced in all of the continents except Antarctica, (unless of course a Buddhist happens to be visiting). Buddhism is most prevalent in Asia and least prevalent in Africa. Buddhism is the fastest growing religion in Europe and North America. So Buddhists now are everywhere
Physically Buddhism originated in India and spread first throughout Asia then to the rest of the world.
It first spread to China and Sri Lanka. From China it spread to Tibet, Japan and Korea. From Sri Lanka it spread to the rest of South East Asia.
Buddhist missionaries spread the new faith, first to Sri Lanka.
Hinduism started in India, and is more ancient than Buddhism. Buddhism also started in India, but spread to china.
Buddhism originated about 2500 years ago.
Buddhism
Buddhism from China & Korea.
Buddhism has spread to most of China but, there is no exact places known so far....