Metaxas Line

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Metaxas Line
Northeastern Greece
Dragon's teeth along the Metaxas line, near the Greek–Bulgarian border
Type	Defensive line
Site information
Controlled by	Greece
Open to the public	Yes
Site history
Built	1936–1941
In use	1936–1945
Materials	Concrete and steel
Battles/wars	Battle of Greece in World War II Battle of the Metaxas Line (1941)

The Metaxas Line (Greek: Γραμμή Μεταξά, Grammi Metaxa) was a chain of fortifications constructed along the line of the Greco-Bulgarian border, designed to protect Greece in case of a Bulgarian invasion after the rearmament of Bulgaria. It was named after Ioannis Metaxas, then Prime Minister of Greece, and chiefly consists of tunnels that led to observatories, emplacements and machine gun nests. The constructions are so sturdy that they survive to this day, some of which are still in active service. Some of them are open to the public.

The Metaxas Line consists of 21 independent fortification complexes, the largest of which is Fort Roupel as it covers 6.1 out of the 155 km of the full line and had been constructed at a height of 322 m. Illumination was initially mostly provided by oil-lamps, although generators were also installed. Currently, the fortifications are supplied with public electricity, but they are also equipped with generators. Ventilation was achieved both naturally and artificially. Water was supplied via water-mains. The fortification works lasted four years and their cost at the time reached 100,400,000 drachmas.