It is a religion, but you can also say it is a culture as well. The lifestyle surrounding the buddist religion would be considered a culture.
It's a religion by definitionWhy are Jews so hated?
لا ليست ثقافة لكنه دين يحض على الكراهية
والعنف وقتل المسلمين وتعذيبهم وارى انها ديانه سيئة