μεθόριοςmethórios

bounded alongside, i.e. contiguous (neuter plural as noun, frontier)

Greek (New Testament) · G3181

Meanings

a border, boundary: Mark 7:24.

Same root

μετάmetá · G3326properly, denoting accompaniment; "amid" (local or causal); modified variously according to the case (genitive association, or accusative succession) with which it is joined; occupying an intermediate position between G575 (ἀπό) or G1537 (ἐκ) and G1519 (εἰς) or G4314 (πρός); less intimate than G1722 (ἐν) and less close than G4862 (σύν))
ὅριονhórion · G3725a boundary-line, i.e. (by implication) a frontier (region)

Source: G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922), public domain.