Linked from
The 7 pages that link to Sumbawa, each with the reason it gives.
Lesser Sunda IslandsBroader topic: Sumbawa continues the island chain eastward from Lombok.
FloresRelated: Sumbawa is Flores’s nearest major island neighbor to the west.
Mount TamboraNarrower topic: Tambora occupies the northern part of this island.
Flores SeaRelated: Its eastern coast bounds the sea’s western approaches.
SumbaRelated: It lies west of Sumba along the Lesser Sunda island chain.
Mount Tambora eruptionBroader topic: Tambora’s eruption devastated communities on this island.