Pangasinan (historical region)
Pangasinan was a coastal pre-colonial Philippine region located at the coasts of Lingayen Gulf. South of Pangasinan was Caboloan (Luyag na Caboloan), located in the interior of Central Luzon, beside the Agno River basin.
Source: Wikipedia — Pangasinan (historical region) (CC BY-SA 4.0)