However, it was now a frontier province, and consequently the new Roman cities were smaller and much more fortified.

At this time both legions and auxilia were almost all based in frontier provinces.

It is just driving Al Qaeda south into the frontier provinces of Pakistan.

The guy was working in the northwest frontier province of Pakistan six years ago and called in an air strike.

The frontier province is essentially lawless, with drugs sold freely and smuggling unchecked.

A frontier province was organized out of the transfered areas of Belgrade, which became a banate.

The region was a frontier province of the Aztec Empire.

In frontier provinces, the proportion of citizens would have been far smaller.

After the fall of the Tang Dynasty, it lost its status as a frontier province.

Russia passed a law barring German immigration into its three western frontier provinces that bordered Germany.