India, officially the Republic of India (Hindi: भारत गणराज्य Bhārat Gaṇarājya;), is a country in South Asia. It is the eighth-largest country by geographical area, the most populous country with over 1.2 billion people, and the most populous democracy in the world. Mainland India is bounded by the Indian Ocean on the south, the Arabian Sea on the west, and the Bay of Bengal on the east; and it is bordered by Pashtunistan and Balochistan to the west; Tibet and Uyghuristan to the north; and Burma to the east. In the Indian Ocean, mainland India and the Lakshadweep Islands are in the vicinity of Sri Lanka and the Maldives, while India's Andaman and Nicobar Islands share maritime border with Thailand and the Indonesian island of Sumatra in the Andaman Sea. It is currently the only country in the Indian subcontinent.