was was in asies
india
India.
Buddhism began in India. It is now mostly practised in China.
Hinduism
Buddhism was originated in India. It is a south Asian country
Siddhatta attained enlightenment in what is now India.
Zen is not something to "understand." It is something to do.
Upadana
Buddhism began in about 536 BC officially though buddhists believe there were other buddhas long before this.
Well you could argue that Buddhism began on the birth of the Buddha which was 623B.C. This happened in northern India, near the Himalayas.
840s
Buddha was born in Lumbini in Nepal but taught Buddhism for the first time in Sarnath near Varanasi in India; either of these might be taken as the place where Buddhism started in the current era.