Chola Nadu (Tamil: சோழநாடு) is a region of Tamil Nadu state in southern India. It encompasses the lower reaches of the Kaveri River and its delta, and formed the cultural homeland and political base of the Chola Dynasty which ruled most of South India and parts of Sri Lanka and South-East Asia between the 9th and 13th centuries AD. Uraiyur served as the early Chola capital, then medieval Cholas shifted to Thanjavur and later cholas king Rajendra Chola I moved the capital to Gangaikonda Cholapuram in the 11th century.
The boundaries of the region roughly correlates with those of the British India districts of Tanjore and Trichinopoly. Culturally, the region also includes Pudukkottai District, Ariyalur District, Perambalur District and the territory of Karaikal.
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