Mark 3:8
And from Jerusalem, and from Idumea, and from beyond Jordan; and they about Tyre and Sidon, a great multitude, when they had heard what great things he did, came unto him.
Cross-reference
Mark 7:24 shows Jesus later entering Tyre, one of the regions listed in Mark 3:8 where people came from.
Mark 7:31 describes Jesus traveling from Tyre through Sidon, regions mentioned in Mark 3:8, linking the geography.
Luke 6:17 is the parallel account of the same event, listing the same regions including Tyre and Sidon.
Numbers 32:33-38 describes the settlement east of the Jordan, the region called 'beyond the Jordan' in Mark 3:8.
Joshua 13:8-14 details land allotment east of the Jordan, corresponding to 'beyond the Jordan' in Mark 3:8.
Joshua 19:28 lists Sidon as part of Asher's territory, the same Sidon mentioned in Mark 3:8 as a region people came from.
Joshua 19:29 mentions Tyre in the tribal allotment, directly connecting to Tyre in Mark 3:8 as a source of the crowds.