India is a country in South Asia. It is the seventh largest country by geographical area, the second most populous country in the world. Bounded by the Indian Ocean on the south, the Arabian Sea on the west, and the Bay of Bengal on the east, India has a coastline of 7,517 kilometers (4,671 mi). Home to the Indus Valley Civilization and a region of historic trade routes and vast empires, the Indian subcontinent was identified with its commercial and cultural wealth for much of its long history. Four major world religions, Hinduism, Buddhism, Jainism and Sikhism originated there, while Zoroastrianism, Judaism, Christianity and Islam arrived in the first millennium CE and shaped the region's diverse culture. Gradually annexed by the British East India Company from the early eighteenth century and colonised by the United Kingdom from the mid-nineteenth century, India became a modern nation state in 1947 after a struggle for independence that was marked by widespread nonviolent resistance. Tourism is typically centered in the Golden Triangle of Delhi, Agra and Jaipur, including nearby Udaipur, Ranthambore, Khajuraho, and Varanasi. The southern province of Kerala, accessed from Kochi, is gaining in popularity for its houseboats, plantations, and temples of Madurai.