Leading Edge of a Developing Territory, Settlement

This page is the CodyCross answer for the clue below from Trip to Spain, Group 856, Puzzle 5 (Historic Landmarks).

Question is: Leading Edge of a Developing Territory, Settlement

and the answer is: FRONTIER

Word Meaning:

FRONTIER — The part of a country which borders or faces another country or unsettled region.

Definitions from Wiktionary.

Leading Edge Of A Developing Territory, Settlement - Trip to Spain CodyCross Answers | CodyCross Solutions