Potential answers for "Area between hills"

⭐⭐⭐⭐ DALE
⭐⭐⭐⭐ VALE
⭐⭐⭐⭐ GLEN
⭐⭐⭐ XXXX
⭐⭐ ECOTONE
⭐⭐ NEUTRALZONE
⭐⭐ VALLEY

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