Narada said This city, situated in the very heart of the region of the Nagas, is known as Patalam, inhabited by the Daityas and Danavas.
नारद उवाच एतत् तु नागलोकस्य नाभिस्थाने स्थितं पुरम्। पातालमिति विख्यातं दैत्यदानवसेवितम्॥