Shared ground
Joshua 15:5–12 is a boundary description. It finishes Judah’s borders by tracing the north edge from the Dead Sea/Jordan outlet area across a chain of landmarks, and then the west edge to the Mediterranean. The repeated wording (“the border went…”) signals a continuous line, not separate, unrelated locations.
The text presents territory as something concrete: seas, valleys, springs, mountain points, and towns mark the limits. It also treats place-names as familiar reference points, sometimes clarifying alternate names (Jerusalem; Baalah/Kiriath-jearim).
Where interpretation differs
Some disagreement centers on where certain sites were and how to map the line in modern geography. Many locations (and even some natural features) are hard to identify with confidence today, so reconstructions vary.
A smaller difference is how to read directional phrases like “north quarter” and the wording about the “river/stream” near Adummim. Some readers take these as precise technical boundary terms; others read them as ordinary directional guidance within a travel-style description.
Why the disagreement exists
The passage gives a landmark-by-landmark itinerary but does not provide distances, coordinates, or a map. Several names occur in more than one region (for example, “Debir” can refer to different places), and English translations can differ in how they render ambiguous Hebrew terms for watercourses and directions.
What this passage clearly contributes
Explicitly, it defines Judah’s territory limits by connecting recognized points from the Salt Sea area to the Great Sea and concludes that this border belongs to Judah “according to their families” (v. 12). By inference, the passage supports the broader book theme that Israel’s settlement is organized and ordered, not random, and that tribal identity is tied to specific land allotments (within the larger allotment material of Joshua; compare the fulfillment emphasis in Joshua 21:45).