Asia contains places.
Asia . China and India alternated in being the largest economies in the world from 1 to 1800 CE . Asia was the birthplace of most of the world 's mainstream religions including Christianity , Islam , Judaism , Hinduism , Buddhism , Confucianism , Taoism ( or Daoism ) , Jainism , Sikhism , Zoroastranism , as well as many other religions . China , officially the People 's Republic of China ( PRC ) , is a unitary sovereign state in East Asia and the world 's most populous country , with a population of over 1.381 billion . India , officially the Republic of India ( Bhārat Gaṇarājya '' ) , is a country in South Asia .