Rajshahi Raj was the largest zamindari (feudatory kingdom) which occupied a vast position of Bengal (present-day Rajshahi Division, Bangladesh and West Bengal, India).
The family ruled their dominions and estates from the Natore Palace in present-day Bangladesh.
They belonged to the varendra Brahmins of Moitra clan, as they were bestowed the title of Rai-Raiyan, they used this title while ruling half of undivided Bengal.
A member of this Raj family, Maharaja Jagadindra Nath Ray (Moitra), was a patron of cricket, and wanted to defeat the British in their own game of cricket.
His rival was the Maharaja of Koch Bihar.