It is more numerous in the dry northwestern region of the country.

The highest point of the range in the northwestern region is 4,669 feet (1,423) meters.

For nearly three centuries it was the most important commercial and agricultural center of the vast northwestern region of Mexico.

It occurs in the northwestern and central regions of the country.

Some early scholars have placed them in the northwestern region.

Some northwestern and western regions of the country have Muslim majorities.

He held a large number of military posts in the northwestern region after the founding of the republic.

Biggibilla's responsibility is related to the northwestern region of the language group which covers 12,000 km.

The government's last reported outbreak was in the northwestern region of Ningxia earlier this month.

There have been several reported elephant attacks, particularly in the northwestern region of Namibia.