South India is frequently referred to as the Hindu heartland of India by prominent travel guides. It lies in the peninsular Deccan Plateau and is bounded by the Arabian Sea in the west, the Indian Ocean in the south and the Bay of Bengal in the east. The geography of the region is diverse, encompassing two mountain ranges, the Western and Eastern Ghats, and a plateau heartland. Adi Shankara coined the name Dravida in the 8th century as he called himself Dravida Shishu, meaning a child from South India. The term Deccan, an Anglicised form of the word "Dakhhin" which is a derived from the word dakshina meaning south, refers only to the area covered by the Deccan Plateau, a volcanic plateau that covers most of peninsular India excluding the coastal areas. The terms Karnād and Carnatic have long overgrown particular association with the plateau and refer to all of South India, including the coasts, the western of which is named the Carnatic coast.