Passage: Queensland borders the Torres Strait to the north, with Boigu Island off the coast of New Guinea representing the absolute northern extreme of its territory. The triangular Cape York Peninsula, which points toward New Guinea, is the northernmost part of the state's mainland. West of the peninsula's tip, northern Queensland is bordered by the Gulf of Carpentaria, while the Coral Sea, an arm of the Pacific Ocean, borders Queensland to the east. To the west, Queensland is bordered by the Northern Territory, at the 138°E longitude, and to the southwest by the northeastern corner of South Australia.

Question: What territory borders Queensland to the west?
the Northern Territory