Denmark's name (Danish: Danmark; Latin: Dania) carries layered etymology rooted in early medieval tribal geography and founding legends.
"Mark" (march/borderland): Common Germanic suffix denoting a frontier territory or border region—compare "March" in English place names (Mercia, Danish March).
"Dan" (the Danes): Refers to the Danir, a North Germanic tribe inhabiting southern Scandinavia (modern Zealand, Scania, Jutland) during the Iron Age and Viking Age.
Composite Meaning: "Borderland of the Danes" or "Danish March"—a frontier zone relative to the Holy Roman Empire (Germania) to the south and Swedish/Norwegian territories to the north.
Saxo Grammaticus (12th century): Chronicles King Dan as eponymous founder, father of Angul (Angles' ancestor) and grandfather of the Anglo-Saxon lineage invading Britain.
Sven Aggesen (early 13th century): Attributes the name to Dan and Angel, sons of King Humble the Good, each founding a Jutland territory.
The term "Dania" appears in 9th-century Frankish chronicles. By the 10th century, Gorm the Old and Harald Bluetooth ruled a consolidated "Danmark." The Jelling Stones (c. 965) declare Harald "won for himself all of Denmark"—the earliest native attestation.
The name thus encapsulates tribal identity, geographic position, and mythic genealogy—typical of early European ethnogenesis narratives.