<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> In mythology, the Greek underworld is an otherworld where souls go after death . The original Greek idea of afterlife is that, at the moment of death, the soul is separated from the corpse, taking on the shape of the former person, and is transported to the entrance of the Underworld . The Underworld itself--sometimes known as the realm of Hades--is described as being either at the outer bounds of the ocean or beneath the depths or ends of the earth . It is considered the dark counterpart to the brightness of Mount Olympus with the kingdom of the dead corresponding to the kingdom of the gods . Hades is a realm invisible to the living, made solely for the dead . </P> <P> There are six main rivers that are visible both in the living world and the underworld . Their names were meant to reflect the emotions associated with death . </P>

What is the greek name for the underworld