Let's clear this up: Vinland is not part of Canada—or any modern nation. It's the name Norse (Viking) explorers gave to a region of North America they visited around 1000 CE, roughly 500 years before Columbus.
The Saga of the Greenlanders and Saga of Erik the Red describe a land of wild grapes (hence "Vinland" = "Wine Land"), abundant salmon, timber, and pastures—west of Greenland, reached via Helluland (likely Baffin Island) and Markland (likely Labrador).
Scholars have debated for centuries. The only confirmed Norse site in North America is L'Anse aux Meadows on the northern tip of Newfoundland (a Canadian province since 1949). Excavated in the 1960s, it dates to ~1021 CE (via cosmic-ray dendrochronology) and matches saga descriptions of a base camp.
But Vinland itself likely encompassed a broader area—possibly including:
Vinland represents the first documented European presence in the Americas. While not a political entity, its legacy lives in Newfoundland's UNESCO World Heritage site and the ongoing search for other Norse sites along Canada's Atlantic coast.
So: Vinland ≈ eastern coastal Canada (especially Newfoundland/Labrador) in the year 1000. Not a province. A Norse discovery zone.