Hellenic National Sentinel Data Mirror Site.
Operated by the National Observatory of Athens.
Powered by the GRNET/GEANT.


The Hellenic National Sentinel Data Mirror Site is a web based system designed to provide EO data users with Search - Cataloguing - Order and Dissemination capabilities for the Sentinel products.

Detailed information on Sentinel products and Data Access mechanisms is available at Sentinel Data Access Overview - Sentinel Online.

The current version comprises the 2nd generation of the HNSDMS built upon the legacy of the 1st operational prototype version developed under the current EU-ESA GMES / NOA agreement and successfully operated over the last years in the premises of NOA & GRNET.

Download Sentinels Data

Fast and Secure Discovery and Access of Sentinel Data over the Region of Mediterranean and Black Sea: South & SouthEastern Europe, Middle East & North Africa.

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Contact HNSDMS Team

Feel free to email us to provide some feedback on our system, give us suggestions for improvments, or report a malfunction!

NOA Official

Prof. Kanaris C. Tsinganos

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Scientific Coordinator

Dr. Charalabos (Haris) Kontoes

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MSc. Themistocles Herekakis

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MSc. Vassilis Tsironis

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MSc. Christina Petala

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