Rajapura was the capital of Kalinga king Chitrangada. Duryodhana's wife was the daughter of Chitrangada. He abducted the Kalinga princess with the help of his friend Karna. Kamboja Kingdom also had its capital named as Rajapura.
It is a small block near Aul,a place in Kendrapara district, Orissa which is called as Rajanagar.