First-order administrative division in Warren County, New Jersey
Borough of Alpha Borough of Washington Town of Belvidere Town of Hackettstown Town of Phillipsburg Township of Allamuchy Township of Blairstown Township of Franklin Township of Frelinghuysen Township of Greenwich Township of Hardwick Township of Harmony Township of Hope Township of Independence Township of Knowlton Township of Liberty Township of Lopatcong Township of Mansfield Township of Oxford Township of Pahaquarry (historical) Township of Pohatcong Township of Washington Township of White Warren County