Jesus turned, and saw them following, and said to them, "What are you looking for?" They said to him, "Rabbi" (which is to say, being interpreted, Teacher), "where are you staying?"
Actually, Andrew and Peter evidently moved from Bethsaida to Capernaum because Peter had a house in Capernaum where Jesus stayed. But Bethsaida was probably their hometown on up about five miles from Capernaum around the Sea of Galilee and up near where the Jordan River comes into the Sea of Galilee. Now,