field of operations

English Thesaurus

1. a region in which active military operations are in progress (noun.location)

hypernym	:	region,
definition	:	a large indefinite location on the surface of the Earth (noun.location)

part holonym	:	combat area, combat zone,
definition	:	a military area where combat forces operate (noun.location)

part meronym	:	theater of war, theatre of war,
definition	:	the entire land, sea, and air area that may become or is directly involved in war operations (noun.location)

domain category	:	armed forces, armed services, military, military machine, war machine,
definition	:	the military forces of a nation (noun.group)