boundary dispute

基本解释

Verbal harassment, as well as boundary disputes over hedges, walls and extensions between properties, are also common complaints.
常见的投诉类型还有对篱笆、墙和扩展…引起的边界之争。
bbs.chinadaily.com.cn
Trans-boundary water pollution disputes in river basins are a key constraint for harmonious development among the relevant jurisdictional areas.
流域跨界水污染问题是制约流域各行政区间和谐发展的重要因素。
kns50.chkd.cnki.net
And on the basis of this, how to reduce the tension in the boundary region so as to help our two countries better resolve the disputes over the boundary issue?
在此基础上，如何能降低边境地区的紧张局势，帮助我们两国更好地解决边界问题的争议？
www.fmprc.gov.cn

Both the warship sinking and island shelling in 2010 occurred near a western sea boundary between the Koreas that North Korea fiercely disputes.
NPR: SKorea, US Begin Drills As NKorea Threatens War