Woodsville is a census-designated place (CDP) and the largest village in the town of Haverhill in Grafton County, New Hampshire, United States, along the Connecticut River at the mouth of the Ammonoosuc River. The population was 1,431 at the 2020 census. Although North Haverhill is now the county seat of Grafton County, the village of Woodsville has traditionally been considered the county seat, as the county courthouse was originally located there. The county buildings are now located halfway between Woodsville and the village of North Haverhill to the south.

Haverhill is a town and the seat of Grafton County, New Hampshire, United States. The population was 4,585 at the 2020 census. Haverhill includes the villages of Woodsville, Pike, and North Haverhill, the historic town center at Haverhill Corner, and the district of Mountain Lakes. Located here are Bedell Bridge State Park, Black Mountain State Forest, Kinder Memorial Forest, and Oliverian Valley Wildlife Preserve. It is home to the annual North Haverhill Fair, and to a branch of the New Hampshire Community Technical Colleges.