1. All this planet was known as Bharatavarsa

    The advanced people, they were Aryans, arya. Aryans means advanced. So the Indo-European stock, they are also Aryans. They came from Central India, Central Asia, and some of them went to Indian side. That is the history. The Caspian, Caspian Sea, that was the place of Kasyapa Muni. Kasyapa. From Kasyapa the Caspian has come. Just like formerly the capital of Afghanistan was known as Gandhar. Now it has become Kandahar. So by historical references, it will be ascertained that the whole, this planet was known as Bharatavarsa. What is now India is now known Bharatavarsa, but formerly the whole planet was known as Bharatavarsa.

    Srila Prabhupada, Lecture on Srimad-Bhagavatam 1.8.45, Los Angeles, on May 7th, 1973