Border states may refer to:
- Limitrophe states, states bordering a given country, e.g. Russia
- Border states (American Civil War), the five slave states that remained in the Union during the American Civil War (Delaware, Maryland, Kentucky, Missouri, and from 1863, West Virginia)
- Border states (Eastern Europe), the newly independent countries (or "states") bordering the Soviet Union during the interwar period
- International border states of the United States, U.S. states that border another country
This disambiguation page lists articles associated with the title Border states.
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