Kakawin Nagarakertagama is telling the story of the King of Majapahit, Hayam Wuruk, who made pleasure to Blambangan area, and on the way home he stopped in Singosari.
In addition, it also outlines kakawin state in Majapahit palace during the reign of King Hayam Wuruk it. He reigned from 1350 to 1389 AD, at the height of the Majapahit kingdom, one of the greatest empire that ever existed in the archipelago.
Most of the text tells the king to travel Lumajang area, Blambangan, and Singosari. In addition there is also a description of the capital of Majapahit. Gajah Mada's death was also written.
In this manuscript also told the grand vizier Gajah Mada's role as a competent prime minister. Still in this manuscript Nagarakertagama told that King Hayam Wuruk as a very fair ruling in the run command and obey the religious rules. For example, King Hayam Wuruk executed demung Sora who was a minister, because it is considered guilty after killing Mahesa Anabrang which was not sinful. Sora demung thus violating Article Astadusta from the Book of Acts Book of Law Kutara Manawadarmasastra it.
The most important part of this text, of course, describe the regions 'territory' to the Majapahit kingdom to offer tribute. Interpretation is still controversial content, so opposed to this day.
Behind this controversy there is something interesting: Sundanese and Madurese are not referred to as the kingdom, but this text is very accurate and precise as mentioned many areas of the northern tip of Sumatra island, Brunei to Papua (in text referred Wwanin = Onin).
Nagarakertagama manuscript written by Mpu Prapanca. These manuscripts are now stored in the National Library and became one of pride collection. Now, Nagarakertagama recognized as a UNESCO World Memory.