Sarrat is one of twenty-one (21) municipalities (along with two cities) comprising the province of Ilocos Norte in the Ilocos Region. The town is politically subdivided into twenty-four (24) barangays, and is a part of the 1st Congressional District of Ilocos Norte.

This small but rich town is known mainly as the birthplace of former Philippine President Ferdinand Edralin Marcos.

Sarrat is also known for its fine antiques.