The Chola dynasty was a Tamil dynasty that ruled in southern India from the 9th to the 13th century. During their rule, the Cholas expanded their territory in a number of ways, including through military conquests, trade, and cultural exchange. Some of the frontiers that the Cholas expanded on include:
Southeast Asia: The Cholas established a powerful maritime empire in Southeast Asia, with a network of ports and trade routes stretching from modern-day Indonesia to Vietnam. They also sent expeditions to conquer and annex parts of this region, such as the island of Bali and the Kingdom of Srivijaya.
Sri Lanka: The Cholas conquered and ruled over parts of Sri Lanka for several centuries, establishing a strong presence on the island. They built a number of temples and other structures, and also introduced Tamil culture and language to the region.
The Deccan Plateau: The Cholas expanded their territory to include parts of the Deccan Plateau, a region in central and southern India. They conquered and absorbed several smaller states in the region, and also established trade and cultural ties with other parts of the Deccan.
The Eastern Ghats: The Cholas also expanded their territory to include parts of the Eastern Ghats, a mountain range in eastern India. They established control over the region through military conquests and also established trade and cultural ties with the local populations.
Overall, the Cholas were a powerful and expansive dynasty that extended their influence through a variety of means, including military conquest, trade, and cultural exchange.