- The Satavahanas were significant rulers in the Deccan region, successors to the Mauryas and patrons of Buddhism and Brahmanism. - Key sources for Satavahana history include Puranas, inscriptions (like Nashik and Nanaghat), and coins. - The term "Andhra" in Puranas refers to the dynasty, possibly indicating their ethnic origin or later area of rule (Andhra region). - Shakas and Kshatrapas were contemporary rivals, particularly the Western Kshatrapas. - Sungas were a dynasty that ruled in North India before the Satavahanas rose to prominence in the Deccan.