border

/ˈbɔədə/noun

The dividing line or zone between two countries or areas.

Example sentence

“We showed our passports when we crossed the border into France.”

"Border on" means to come close to a state or quality: enthusiasm that borders on obsession.

Related words

customsTaxes that a government charges on goods brought into or out of a country.destinationThe place someone is traveling to, or where something is being sent.departureThe act of leaving, or a person or thing that has left.souvenirSomething kept or given as a reminder of a place you visited or an event you attended.arrivalThe act of reaching a place, especially at the end of a journey.currencyThe money, or other means of payment, that people use to buy and sell things.