In India. It was originally worshiped in India!!!! That is where Buddha thought of the idea Buddhism and worshiped it in India.
No gods are worshiped in Buddhism. Buddhism depends on helping yourself and others to end the sufferings
Buddhists do not worship any deity or person, not even the Buddha. What we do is meditate and read and chant the teachings of the Buddha. We do that usually in a temple or in our shrine rooms in our homes.
Just as precaution in order not be worshiped or in order not to let people bow to it and pray for it as done in other current religions including Christianity and Buddhism.
Buddhism are most worshiped in Nepal, Tibet, Burma, Japan, Hong Kong, Thailand....
Nowhere, because in the west, "worship" implies a deity to be bowed down to. Buddhism has no such deity. Buddha was not a god or a son of god. Everywhere, because a devout Buddhist encounters reverence for all of existence, which is neither a part of nor separte from his or her own being.
Either.
Christianity, Islam, and Judaism are the main ones. Buddhism focuses on Buddha
The ancient Greeks worshiped Zeus, and the ancient Romans worshiped his equivalent, Jupiter.
The ancient Druids worshiped in Stonehenge.
I think Hatshupset worshiped Amun and Ma"at
when were cats worshiped in egypt