South Cotabato was part of the representation of the Cotabato until 1965 and Region XI from 1978 to 1984.

Davao City National High School has been referred to as the premier public secondary school in Region XI.

Region XI or Region 11 in Roman numerals, may refer to:

Sipaco, on the other hand, served as Regional Director of the Commission on Human Rights in Region XI.

Region XI with headquarters in Coyhaique.

It was part of the representation of Region XI from 1978 to 1984.

Although Bluff Dale School has been through hard times, it still stretches to achieve new goals and sets a great example for other schools in Region XI.

Davao del Norte is within Region XI in the island of Mindanao.

From Davao City, the administrative center of Region XI, it is 38 kilometers away or 45-minute ride.

On December 15, 1978 marked the birth of the first ever state university in Region XI.