Maritime boundary between Australia and Indonesia

E372446

international border maritime boundary sea border

The maritime boundary between Australia and Indonesia is a legally defined sea border in northern Australian waters that delineates the two countries’ territorial seas, exclusive economic zones, and continental shelf rights across areas including the Arafura Sea and Timor Sea.

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All labels observed (7)

Label	Occurrences
Arafura Sea maritime boundary	1
Australia (maritime boundary)	1
Australia–Indonesia maritime boundary agreements	1
Indian Ocean maritime boundary	1
Maritime boundary between Australia and Indonesia canonical	1
Timor Sea maritime boundary	1
lies between Indonesian and Australian maritime zones	1

How this entity was disambiguated

This entity first appeared as the object of triple T3596581 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Maritime boundary between Australia and Indonesia
Context triple: [Arafura Sea, isPartOf, Maritime boundary between Australia and Indonesia]

A. Timor Sea
The Timor Sea is a tropical marginal sea in the eastern Indian Ocean, lying between Timor-Leste, Indonesia, and northern Australia, known for its rich offshore oil and gas reserves.
B. the Wallace Line
The Wallace Line is a biogeographical boundary in Southeast Asia that marks a sharp division between Asian and Australasian species of animals.
C. Indonesian archipelagic sea lanes
Indonesian archipelagic sea lanes are designated international shipping routes that allow foreign vessels and aircraft to transit through Indonesia’s archipelago while balancing national sovereignty with global navigation rights.
D. Solomon Sea
The Solomon Sea is a marginal sea of the southwestern Pacific Ocean located between Papua New Guinea and the Solomon Islands, known for its deep basins and significant role in World War II naval battles.
E. Australian territorial sea
The Australian territorial sea is the belt of coastal waters extending up to 12 nautical miles from Australia's baseline, within which Australia exercises full sovereignty subject to certain navigational rights for other states.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Maritime boundary between Australia and Indonesia
Target entity description: The maritime boundary between Australia and Indonesia is a legally defined sea border in northern Australian waters that delineates the two countries’ territorial seas, exclusive economic zones, and continental shelf rights across areas including the Arafura Sea and Timor Sea.

A. Timor Sea
The Timor Sea is a tropical marginal sea in the eastern Indian Ocean, lying between Timor-Leste, Indonesia, and northern Australia, known for its rich offshore oil and gas reserves.
B. the Wallace Line
The Wallace Line is a biogeographical boundary in Southeast Asia that marks a sharp division between Asian and Australasian species of animals.
C. Indonesian archipelagic sea lanes
Indonesian archipelagic sea lanes are designated international shipping routes that allow foreign vessels and aircraft to transit through Indonesia’s archipelago while balancing national sovereignty with global navigation rights.
D. Solomon Sea
The Solomon Sea is a marginal sea of the southwestern Pacific Ocean located between Papua New Guinea and the Solomon Islands, known for its deep basins and significant role in World War II naval battles.
E. Australian territorial sea
The Australian territorial sea is the belt of coastal waters extending up to 12 nautical miles from Australia's baseline, within which Australia exercises full sovereignty subject to certain navigational rights for other states.
F. None of above. chosen

Statements (46)

Predicate	Object
instanceOf	international border ⓘ maritime boundary ⓘ sea border ⓘ
affects	fisheries jurisdiction ⓘ navigation rights ⓘ offshore petroleum rights ⓘ seabed mining rights ⓘ
characterizedBy	multiple bilateral agreements ⓘ overlapping maritime claims ⓘ
country1	Australia ⓘ
country2	Indonesia ⓘ
defines	continental shelf rights ⓘ exclusive economic zone limits ⓘ territorial sea limits ⓘ
governedBy	United Nations Convention on the Law of the Sea ⓘ customary international law of the sea ⓘ
hasIssue	environmental protection of marine ecosystems ⓘ illegal, unreported and unregulated fishing ⓘ people smuggling routes ⓘ
hasLegalNature	equidistance-based segments ⓘ geologically-based seabed delimitation segments ⓘ
hasSegmentWith	Timor-Leste maritime area ⓘ linked to: Timor Sea
involves	continental shelf delimitation ⓘ exclusive economic zone delimitation ⓘ territorial sea delimitation ⓘ
locatedIn	Arafura Sea ⓘ Indian Ocean ⓘ Pacific Ocean region ⓘ Sahul Shelf region ⓘ linked to: Sahul Shelf Timor Sea ⓘ
near	Northern Territory coast of Australia ⓘ linked to: Northern Territory coastline Western Australia coast ⓘ linked to: Pilbara coast eastern Indonesian archipelago ⓘ
partOf	Australia–Indonesia relations ⓘ linked to: Australia and Indonesia Indo-Pacific maritime boundaries ⓘ
relatedTo	Arafura and Timor Seas ecosystem ⓘ Timor Trough ⓘ continental shelf delimitation ⓘ offshore oil and gas fields in the Timor Sea ⓘ
separates	Australian maritime zones ⓘ Indonesian maritime zones ⓘ
strategicImportance	defence and security cooperation ⓘ regional maritime stability ⓘ
usedFor	border control at sea ⓘ law enforcement jurisdiction ⓘ resource management ⓘ

How these facts were elicited