Hellenic, anything related to Greece in general or Ancient Greece in particular

Hellenistic civilization, the spreading of Greek culture over the non-Greek peoples that were conquered by Alexander the Great

Hellenic plate, a minor tectonic plate under Greece, Italy and Turkey

Names of the Greeks

Hellenes, a term for either ancient or modern Greeks

Hellenistic Greece, the period between the death of Alexander the Great in 323 BC and the annexation of the Greek peninsula and islands by Rome in 146 BC

Helladic period, The Bronze Age period of mainland Greece spanning c.2800 - 1100 B.C.

Hellenic College, an Eastern Orthodox seminary in Brookline, Massachusetts