In which area was the Kritarchy established?
Kritarchy: Kritarchy is a system of rule by judges (Hebrew: שופטים‎ , "shoftim") in the tribal confederacy of ancient Israel during the period of time described in the Book of Judges, following Joshua's conquest of Canaan and prior to the united monarchy under Saul. Canaan:  In the Bible it corresponds to the Levant, in particular to the areas of the Southern Levant that provide the main setting of the narrative of the Hebrew Bible, i.e., the area of Israel, Philistia, Phoenicia, and other nations.
Israel, Philistia, Phoenicia, and other nations