noun
remote region; outlying area
Refers to a distant, often rural or undeveloped area far from urban centers. Can carry a nuance of being isolated or hard to reach.
彼は辺土の小さな村で育った。
He grew up in a small village in a remote region.
その辺土にはまだ電気が通っていない。
Electricity still hasn't reached that outlying area.