Free Geospatial Data

The Hellenic Navy Hydrographic Service makes available free of charge the following sets of geospatial data. Anyone wishing to receive them must fill in the respective form.

  1. Greek coastline at scale 1:90000 (Last Update 22/10/2018)

  2.  Digital Terrain Model (DTM) of the Greek Seas at a resolution of  15" of the degree (463 m.) (Last Update 1/2/2022)

  3.  Sea Level Statistics from the Greek Tide Gauge Network