Drawing the line: "border" vs. "boundary"

What is similar?
Both "border" and "boundary" refer to a dividing line or limit that separates two areas, entities, or concepts.
What is different?
"Border" often specifically refers to the line separating two political or geographical areas, such as countries or states, and can also refer to decorative edges around objects. "Boundary" is a more general term that refers to any dividing line or limit and is commonly used in both physical contexts (like property lines) and abstract contexts (like setting personal boundaries or limits within a field of study).
Which one is more common?

Examples of usage
Border- The travelers crossed the border into a new country.
- There is a dispute over the border between the two nations.
- She planted roses along the border of her garden.
- Customs officers inspected their documents at the border.
- The fence marks the boundary between the two properties.
- He pushed the boundaries of modern art with his new exhibition.
- Teachers should set clear boundaries with their students.
- They mapped the boundary line separating the districts.