Kingdom of Cochin
Kingdom of Cochin ( also known as "Perumpadappu Swaroopam" , "Mada-rajyam" , or "Kuru Swaroopam"; "Kochi" or "Perumpaṭappu" ) was a late medieval kingdom and later princely state on the Malabar Coast , South India . 
<triplet> Kingdom of Cochin <subj> princely state <obj> instance of