Greek National Road 77 is a national highway on the island of Euboea, Greece. It connects Chalcis with Aidipsos via Agia Anna and Istiaia.
Motorways | ![]() Highway sign in Greece |
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National Roads | ![]() National Road sign in Greece
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38°50′10″N 23°24′59″E / 38.8362°N 23.4163°E / 38.8362; 23.4163