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Treaty with Timor-Leste - Australian Maritime Boundaries

Created 17/10/2025

Updated 17/10/2025

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Geoscience Australia has the primary role in the delineation of Australia's domestic and international maritime limits and boundaries. An output of this activity is the development of the Australian Maritime Boundaries (AMB) database. The current epoch of this database is 2019. It differs from previous epochs by including the Treaty information relevant to the maritime boundary treaty ratified with Timor-Leste on 30 August 2019. This data product contains the digital representation of the treaty between Australia and Timor-Leste. AMB data is published by Geoscience Australia in consultation with other relevant Commonwealth Government agencies including the Attorney-General's Department, the Department of Foreign Affairs and Trade and the Australian Hydrographic Office.. Data coordinates are supplied in the GDA94 datum. Treaties with Timor-Leste - Australian Maritime Boundaries Dataset 2019 will be accessible via the Australian Maritime Spatial Information System (AMSIS) (http://www.ga.gov.au/scientific-topics/marine/jurisdiction/amsis). Product Specifications Coverage: Australia and Territories, current September 2019. Coordinates: Geographical Datum: GDA94 (operationally equivalent to WGS84). Format: ESRI Geodatabase and Shapefile. The geographical extent is approximately between the latitude limits of 9.5 S to 11.5 S and the longitude limits 126 E to 128.5 E. This dataset includes the following disclaimers: AMB data is a digital representation of the international maritime boundary treaties of Australia. In the event of an inconsistency between AMB data and the limits under the various treaties, the latter prevails.

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Additional Info

Field Value
Title Treaty with Timor-Leste - Australian Maritime Boundaries
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/en/dataset/9c106561-8018-4e6d-8501-2fe290d60e1f
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 30/08/2019
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        126.0,
        -11.5
      ],
      [
        128.5,
        -11.5
      ],
      [
        128.5,
        -9.5
      ],
      [
        126.0,
        -9.5
      ],
      [
        126.0,
        -11.5
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Treaty with Timor-Leste - Australian Maritime Boundaries". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/treaty-with-timor-leste-australian-maritime-boundaries