The phrase "a larger zone" is correct and usable in written English.
You can use it when referring to an area or region that is bigger in size or scope compared to another zone.
Example: "The new policy will apply to a larger zone, affecting more communities than before."
Alternatives: "a broader area" or "an expanded region".
The success not only returned a big economic asset to government hands, but also severed the link between a pocket of IS forces in Tikrit and a larger zone under its sway to the north.
The campus grew considerably after merging with the University of Illinois Medical Center in 1982 and today has about 200 acres within a larger zone bounded roughly by Eisenhower Expressway on the north, 16th Street on the south, Halsted Street on the east and Damen Avenue on the west.
In a larger zone (mainly at sea), less strict rules will apply.
In summary, a larger zone can reduce Handoff Call Degradation Ratio and Bandwidth Re-allocation Ratio, at the cost of more Bandwidth Allocation and New Call Blocking Probability.
A double-end-injection method was proposed based on the above results, and the uniform hybrid structures were synthesized in a larger zone inside the CVD reactor.
Within the Chiquibul forest of Belize, large areas of Ultisols and Inceptisols occur juxtaposed within a larger zone of similar climate, permitting unambiguous assessment of edaphic contributions to forest composition.
The restricted zone, in operation from midnight tonight to August 15, comprises a small inner zone covering central London and the Olympic site in Stratford, east London, and a large zone covering a swathe of south-east England.
We also have an open grouping system which makes setting up groups in these large events painless (especially helpful in a large zone invasion when there are dozens of players in the same area).
A large zone of boreal forest, or taiga, is dominated by spruce, pine, and birch and covers about two-fifths of the republic's surface; some deciduous trees, mainly oak and linden, appear in the extreme south.
You need a large zone in which to gesture".
All of these factors contribute to a large zone of certification to the right of the diagonal.
