vanapõhja
Vanapõhja is a term that can refer to several things, primarily related to the historical and mythological traditions of the Baltic region. In Estonian folklore, vanapõhja is often associated with the underworld or the realm of the dead. This concept is intertwined with beliefs about the afterlife and the spirits of ancestors. Similar notions exist in other Baltic mythologies, though the specific name and details may vary.
The term can also be used more broadly to describe ancient or old spiritual beliefs and practices.