Hinduism is the largest religion in the Indian subcontinent, and the third largest religion in the world. Hinduism has been called the "oldest religion" in the world, and many practitioners refer to Hinduism as "the eternal law" (Sanātana Dharma). Within this faith, there are four major traditions or denominations, namely, Vaishnavism, Shaivism, Shaktism, and Smartism. There also exist a number of minor traditions, such as Ganapatism and Saurism.