Errol is a town in Coos County, New Hampshire, United States. The population was 298 at the 2000 census. It is located north of the White Mountains along Route 16 at the intersection of Route 26. It has a municipal airport with a single, unpaved runway. Errol is part of the Berlin, NH–VT Micropolitan Statistical Area.

What is election campaign and political law?

Attorneys who practice election campaign and political law handle cases involving the financing of election campaigns by candidates and third-parties, ethics in candidate and election issue advertising, voter eligibility, eligibility to hold office, district mapping, and election procedures.