REEF uses a hierarchical 8-digit code system for survey site locations. Each geographic area has its own set of codes. When completing a survey, you need to know the complete 8-digit code for the site you surveyed.

If the site that you surveyed is not currently on our list, then please email zonecode@REEF.org to request a new code to be assigned. Please provide the site name, general location, and ideally the latitude and longitude.

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Region: CIP
Zone: Western Indonesia (Greater Sunda Islands incl. Borneo) and Malaysia

ZoneZone Code listGeographic ReportNameHave Coordinates?
51Zone Code listGeographic ReportGreater Sunda Islands Indonesia (and Brunai)
5101Zone Code listGeographic ReportJava
510101Zone Code listGeographic ReportEast Java
510102Zone Code listGeographic ReportCentral Java
510103Zone Code listGeographic ReportWest Java
510104Zone Code listGeographic ReportKarimunjawa
51010401Geographic ReportKarimunjawa Menjangan KecilYes
51010402Geographic ReportKarimunjawa Menjangan BesarYes
51010403Geographic ReportKarimunjawa Pulau BurungYes
51010404Geographic ReportKarimunjawa Cemera KecilYes
51010405Geographic ReportKarimunjawa Cemera BesarYes
51010406Geographic ReportKarimunjawa Gosong SelokaYes
51010407Geographic ReportKarimunjawa Palau GosongYes
51010408Geographic ReportKarimunjawa Gosong TengahYes
5102Zone Code listGeographic ReportKalimantan (Borneo)
5103Zone Code listGeographic ReportSumatra
510301Zone Code listGeographic ReportAceh (Sumatra)
51030101Geographic ReportPulau Weh Paradise House ReefYes
51030102Geographic ReportGapang Bay House ReefYes
51030103Geographic ReportLimbo (Gapang)Yes
52Zone Code listGeographic ReportMalaysia
5201Zone Code listGeographic ReportPeninsular Malaysia
520101Zone Code listGeographic ReportWest Peninsular Malaysia
520102Zone Code listGeographic ReportEast Peninsular Malaysia
52010201Geographic ReportHMS Repulse WreckYes
5202Zone Code listGeographic ReportEast Malaysia- Sarawak and Sabah (Borneo)
5203Zone Code listGeographic ReportSipadan