The Hellenic Military Geographical Service or HMGS (Greek: Γεωγραφική Υπηρεσία Στρατού or Γ.Υ.Σ.

Established in 1889 as the “Geodetic Mission” with the purpose of compiling the “Topographic and Cadastral Map of the Country”, the service acquired its current name in 1926.

Today, it supports both the Greek Army and the general public with cartographic products.

[1] From 1966 until the 1980s, the service housed the Armed Forces Information Service, Greece's second state-run broadcaster alongside the National Radio Foundation.

HMGS supplies City Plans of scales 1:5.000, 1:10.000 and 1:25.000 in Greek and Latin series HMGS produces and supplies topographic maps of various scales that cover the whole country and occasionally parts of neighboring countries.