Bihar is a state in eastern India. It lies on the Gangetic plain, with Uttar Pradesh to its west, West Bengal arching to its south and east, and with Nepal to its north. The Bihar plain is divided into two unequal halves by the river Ganga which flows through the middle from west to east. Bihar is one of India's poorest states, with stark social inequality. Travelers may find the hassles common to traveling everywhere in India are more pronounced here.