What is "nagarakretagama"

The Nagarakretagama or Nagarakrtagama, also known as Desawarnana, is an Old Javanese eulogy to Hayam Wuruk, a Javanese king of the Majapahit Empire. It was written on lontar as a kakawin by Mpu Prapanca in 1365 (1287 Saka year). The Nagarakretagama contains detailed descriptions of the Majapahit Empire during its greatest extent. The poem affirms the importance of Hindu– Buddhism in the Majapahit empire by describing temples and palaces and several ceremonial observances.