Kupang, Rote, Sumba and South Flores
Sumba Island belongs to the Lesser Sunda Islands. Sumba has an area of about 11000 square kilometres, so it is roughly twice the size of Bali. With approximately 715000 inhabitants (2017) Sumba has only about one sixth of the population of Bali. Although Sumba is less than 100 kilometres from the southern coast of Sumbawa and Flores – and still in visibility range – it is quite different