geographical boundary
line of delimitation or demarcation between geographical units of all types, whether physical or human
boundary
legal limit of an immovable real estate property
geologic boundary
boundary between geologic units
Phantom border
concept in border studies
woodland edge
transition zone from an area of woodland or forest to fields or other open spaces
coastline
outline of the coast
international border
border between two sovereign states
border
legal boundary between two territorial regions
political border
boundary line between two territories, for example countries, states, provinces, cities
boundary
obstacle marking a delimitation of land
boundaries between the continents of Earth
global geographic limits
separation barrier
type of wall separating peoples, administrative units or cultures