Short answers, pulled from the story.
Nordic folklore is the shared body of traditional stories, beliefs, and customs found across Denmark, Norway, Sweden, Iceland, and the Faroe Islands. It shares common roots and mutual influence with folklore from England, Germany, the Low Countries, the Baltic countries, Finland, and Sápmi, drawing on both Norse mythology and Christian ideas about the world.
Among the best-known Nordic folklore stories to spread beyond Scandinavia are The Three Billy Goats Gruff and The Giant Who Had No Heart in His Body.
Nordic folklore includes creatures such as the Kraken, a massive tentacled sea monster said to appear off the coast of Norway, and the draugr, a dangerous undead being with regional variants in Iceland, Norway, the Faroe Islands, and among the Sámi. It also includes the Huldra, a forest seductress with a hidden cow's tail, and household wights such as the Nisse or Tomte and the Vittra of northern Sweden.
Grindadráp is a traditional Faroese whaling practice rooted in the islands' cultural history and mythology, built around communal cooperation and the sharing of resources. It remains a contested and controversial practice today, with concerns raised about animal welfare and sustainability.
Tróndur was a powerful Viking chieftain who lived on the Faroe Islands in the 9th century, according to legend, and was killed by the Christian missionary Sigmundur Brestisson. Rather than being remembered as a villain, Tróndur lives on in Faroese folklore as a tragic hero.
Þorrablót is an annual midwinter festival in Iceland that celebrates traditional Icelandic cuisine, named for the month of Þorri, which falls in January or February. It features dishes such as fermented shark, dried fish, and smoked lamb, along with music, dancing, and other cultural activities.