You find a longship and therein lies your first clue: "Travel to the largest Viking settlement in continental Europe." You will find it in this country, aka Deutschland.
Answer Germany
During the 8th through the 11th centuries AD in Viking Age Denmark, Hedeby (meaning "health settlement") near modern-day Schleswig, Germany was a Viking stronghold and trading center. From here, the Danish Vikings extended their trading network, as they were connected with the Baltic Sea via the Schlei River, and the strategic location allowed freeflow to western Europe, the eastern Byzantine and Slavic world, the Arab world, and Scandinavia.
Last updated 5 years ago · 1.1K views · SOURCE