Why does Beowulf travel from Denmark to Sweden?

Beowulf travels from Denmark to Sweden primarily to seek glory and prove his strength by confronting the monster Grendel, who has been terrorizing King Hrothgar's mead hall, Heorot. His journey demonstrates his bravery and commitment to helping those in need, as well as his desire to enhance his reputation as a great warrior. Beowulf's actions reflect the values of heroism and loyalty prevalent in the Anglo-Saxon culture.