What is "agoo"

Agoo is a first class municipality in the province of La Union, Philippines. According to the 2010 census, it has a population of 60,596 people.

Its name is usually attributed to "aroo" or "agoho," a pine-like evergreen tree ( Casuarina equisetifolia or Whistling Pine) that thrived in the western coast during the pre-Spanish Period.