The correct answer is Kashmir.Kalhana's Rajatarangini in the Sanskrit language covers the history of kings who ruled over Kashmir.Rajatarangini is a metrical legendary and historical chronicle of the kings of Kashmir.The meaning of the word Rajatarangini is The River of Kings.It was written in Sanskrit by Kashmiri historian Kalhana in the 12th century.It consists of 7826 verses, which are divided into eight books called Tarangas.It covers the entire period of history from the earliest times until the date of its composition in the Kashmir region.A Persian translation of Rajatarangini was commissioned by Zain-ul-Abidin.