Bali is the only Hindu region in Indonesia. Eighty [%] people believe in Hinduism. Indonesian and English are widely spoken, and Mandarin is also commonly used in scenic spots and shopping places. Bali Island is mostly mountainous, with mountains running vertically and horizontally, high in the East and low in the west. There are also four or five complete conical volcanic peaks on the island, of which the Argonne volcano (Bali Peak) is the highest point on the island.