Proper noun
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Mount Holly
- An unincorporated community in Union County, Arkansas, United States.
- A township, the county seat of Burlington County, New Jersey, United States.
- A suburban city in Gaston County, North Carolina, United States.
- An unincorporated community in Clermont County, Ohio, United States.
- An unincorporated community in Warren County, Ohio, United States.
- An unincorporated community in Berkeley County, South Carolina, United States.
- A town in Rutland County, Vermont, United States.