<P> The state of Andhra Pradesh is divided into 13 administrative districts spread across two unofficial regions - Coastal Andhra and Rayalaseema . Coastal Andhra is divided into 9 districts: East Godavari, West Godavari, Krishna, Guntur, Prakasam, Sri Potti Sri Ramulu Nellore, Srikakulam, Vizianagaram, and Visakhapatnam . Rayalaseema comprises 4 districts: Kurnool, Chittoor, Kadapa and Anantapur . </P> <P> In terms of area, Anantapur district in Rayalaseema is the largest and Srikakulam district in Uttarandhra is the smallest district . East Godavari district is the most populous while Vizianagaram district is the least populous . The districts are further divided into two or more revenue divisions and Mandals for administrative purposes . </P>

How many states are there in andhra pradesh
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