The word "cousins" usually refers to family members who share a common ancestor, typically the children of one's aunt or uncle. However, if the question is about a place named "Cousins," there is Cousins Island, an island located in Casco Bay within the town of Yarmouth in Cumberland County, Maine, United States. It is a small island connected to the mainland by a bridge and is part of the Portland–South Portland–Biddeford metropolitan area.
Additionally, "Cousins Beach" is a fictional coastal town featured in the series "The Summer I Turned Pretty." This town is inspired by several real East Coast beach locations such as Cape Cod, Martha's Vineyard, The Hamptons, and places in North Carolina. The series was filmed primarily in Wilmington, North Carolina, where many of the scenes representing Cousins Beach were shot.
So, in summary, if referring to the familial term "cousins," it is a general relationship term. If referring to a place, Cousins Island is in Maine, and Cousins Beach is a fictional town inspired by various real coastal places but filmed in North Carolina.