turf war
US /ˈtɜːrf wɔːr/
UK /ˈtɜːrf wɔːr/

1.
perang wilayah, perebutan kuasa
a bitter struggle between rival groups for territory or a sphere of influence
:
•
The two gangs were engaged in a violent turf war over drug distribution.
Dua kumpulan samseng terlibat dalam perang wilayah ganas mengenai pengedaran dadah.
•
There's a constant turf war between the sales and marketing departments.
Terdapat perang wilayah yang berterusan antara jabatan jualan dan pemasaran.