Answer:
Hinduism is mostly in the geographic region of South Asia is a TRUE statement.
Explanation:
South Asia comprises of around 90.5% of the Hindus out of all the other religions which include Muslims, Jains, Sikhs and Zoroastrians. Approximately, 12% of the Asia is covered by the south Asian part having around 1/4th of the world population.
South Asian continent is majorly dominated by the Indian subcontinent part, being the most densely populated which includes the SAARC countries that are part of the sub-Himalayan range having other countries from east and west attached to its either sides.