Sumba's an island in Indonesia, and's one of the Lesser Sunda Islands. It's an area of 11,153 km², and the population was officially at 611,422 in 2005. There's a dry season from May to November and a rainy season from December to April. Historically, this island exported sandalwood and was known as Sandalwood Island . To the northwest of Sumba's Sumbawa, to the northeast, across the Sumba Strait (Selat Sumba),'s Flores, to the east, across the Savu Sea,'s Timor, and to the south, across p… (More on Sumba)