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News & Announcements
Nautical Chart 322/1
The Hellenic Navy Hydrographic Service informs the mariners that the following paper nautical chart has been published and is available
3 August 2026
Nautical Chart 414/1
The Hellenic Navy Hydrographic Service informs the mariners that the following paper nautical chart has been published and is available
3 July 2026
WORLD HYDROGRAPHY DAY 2026
2026, JUNE 21 WORLD HYDROGRAPHY DAY “Transforming how ocean data is shared” The Hydrographic Service of the Hellenic Navy (NHN),
11 June 2026
