The children of Israel again did that which was evil in the sight of Yahweh, and served the Baals, and the Ashtaroth, and the gods of Syria, and the gods of Sidon, and the gods of Moab, and the gods of the children of Ammon, and the gods of the Philistines; and they forsook Yahweh, and didn't serve him.
The only contiguous neighbor of Israel’s that did not have a negative influence on the chosen people during the period of the judges, as far as the text reveals, was Edom. However, since about 300 years of history expired in the Judges Period, it is likely that the Edomites also opposed the Israelites.