Umalulu or Tana Umalulu is a District in East Sumba Regency, East Nusa Tenggara Province.
During the Dutch colonial period, Tanah Umalulu was known as Tanah Melolo, Landschap Melolo, or the Kingdom of Melolo.
Kingdom of Melolo: https://sultansinindonesieblog.wordpress.com/sumba/kerajaan-melolo/
Kesultanan dan Kerajaan di Indonesia 