北線

Proper noun

 * 1)  Northern & Central Luzon; Provinces in Luzon further north of Metro Manila, especially the provinces of Pampanga, Tarlac, Pangasinan, and the Ilocos Region.

Usage notes
Usage in the Philippines is the old dated or archaic term referring to the general region further north of Metro Manila. These are terms used by wholesale merchants trading across different parts of the Philippines centered from the perspective of Metro Manila, the National Capital Region (NCR) of the Philippines.