geographical boundary

C8735
concept

A geographical boundary is a defined line or zone on the Earth's surface that separates distinct political, cultural, or natural regions.

All labels observed (19)

Label Occurrences
county boundary 14
biogeographical boundary 5
geographical boundary canonical 5

Instances (41)

Instance Via concept surface
Campbell County–Halifax County line county boundary
Campbell County–Charlotte County line county boundary
the Northamptonshire–Warwickshire border
surface form: Northamptonshire–Warwickshire border
county boundary
Blue Line area boundary line
Allegheny Front climatic divide
Illinois–Indiana state line internationally recognized boundary
Fairfax boundary line colonial-era boundary
Staffordshire–Shropshire border county boundary
Norfolk–Cambridgeshire border county boundary
Weber Line biogeographical boundary
Napa County–Sonoma County line county boundary
Indiana–Ohio border internationally recognized boundary
Tenasserim Hills natural border
Bronx–Westchester border county boundary
Yangtze River (Jiang) and Huai River (Huai)
surface form: Yangtze River–Huai River line
cultural boundary
Thomas Blakiston
surface form: Blakiston's Line
biogeographical boundary
Staffordshire–Cheshire border county boundary
Lydekker Line biogeographical boundary
Massachusetts–Rhode Island state line in Fall River
Antarctic Circle
Oxfordshire–Gloucestershire border county boundary
Benrath line linguistic boundary
Hampshire–Wiltshire border county boundary
Speyer line dialect boundary
maken–machen isogloss dialect boundary
Surrey–Hampshire border county boundary
thalweg principle boundary delimitation rule
Nevada–Arizona border internationally recognized boundary
Nebraska–Kansas state line
Fair Head–Clew Bay Line structural boundary
Massachusetts–Rhode Island border geographical border
Norfolk–Suffolk border county boundary
North–South divide in the United Kingdom geographical divide
Lincolnshire–Rutland border county boundary
Wallace Line concept in biogeography
surface form: Wallace Line
biogeographical boundary
Subtropical Front (South Indian Ocean) hydrographic boundary
the Wallace Line
surface form: Wallace Line
biogeographical boundary
Santa Clara–Santa Cruz county line county boundary
M-102 (Eight Mile Road) cultural boundary
Bihar–Uttar Pradesh border geographical border
Fall Line of the Appomattox River geomorphic boundary