Hatha Yoga basically arises from India and is followed by People from all over the World
Hatha Yoga is not just an exercise but also a process of having spirituality change your movements you must literally change your mind.
In the Indian and Tibetan traditions, Hatha yoga is much more. It extends well beyond being a sophisticated physical exercise system and integrates ideas of ethics, diet, cleansing, pranayama (breathing exercises), meditation and a system for spiritual development of the Yogi.