The phrase "areas of fighting" is correct and usable in written English.
It can be used to refer to specific locations or regions where combat or conflict is occurring.
Example: "The report highlighted the areas of fighting in the region, indicating the most affected towns and villages."
Alternatives: "zones of conflict" or "combat zones".
Random shelling in areas of fighting — including after the government had announced an end to fighting.
Traders still negotiating between the north and the rest of Afghanistan had to make a two-day journey through side valleys, precipitous passes and areas of fighting.
Few in Mr. Hitto's position have made the decision to stay as long as he has, especially as residents have fled areas of fighting.
Since then – with thousands of people still trapped in the areas of fighting– the police say they have seized the kind of equipment that could arm an insurgency: ammunition, military fatigues and body armour.
In the past three weeks, at least 400 people have been killed in both areas of fighting, thousands wounded and thousands displaced.
Observers have not been able to travel to many areas of fighting, so it has been impossible to gauge the damage or casualties.
Some of the most exciting advances, doctors say, are in the area of fighting the spread of prostate cancer to the bone.
Members of the Indian battalion refused to deploy troops or heavy armour to the area of fighting, while Rwandan peacekeepers insisted on written approval before acting.
One doctor, deployed in an area of fighting along the Arghandab River, said medics on patrols had become more proficient at other lifesaving techniques, too.
I witnessed similar heavy fighting during that escorted visit to the frontlines of Adviivka's Prom Zone the most active area of fighting in the entire conflict.
Especially in the area of fighting terrorism, police are moving from solving crimes to anticipating them, aided by data mining and other technologies.
