The unincorporated community of Holly Lake, New Jersey, is located within Cumberland County. Determining the specific county in which a place resides is fundamental to accessing local government services, understanding jurisdictional boundaries, and conducting geographical research.
Knowing the county affiliation provides access to crucial information such as property records, voting districts, school district assignments, and local ordinances. Historically, county boundaries have dictated legal frameworks and social structures, impacting land ownership, taxation, and community development. Understanding this context provides a foundation for interpreting contemporary governance.