frontier; border

situation (of a person)

predicament; plight

dreamland

circumstances

boundary; state; realm

to enter a country

critical circumstances; risky conditions; danger zone

within the borders; internal (to a country, province, city etc); domestic

to deport; to expel

fairyland; wonderland; paradise

to leave a country or region; outbound (tourism)

desperate straits

circumstances

(idiom) without end; never-ending

adversity; predicament

national border; frontier

to pass through a country's territory; transit

awkward situation; predicament

situation; context; setting; environment

circumstance

mood; mental state; frame of mind

border; place; condition; boundary; circumstances; territory

to leave a country (or place)

(literary) beautiful surroundings; scenic spot; favorable stage; excellent state (of development, performance etc)

customs border

dangerous situation; venerable old age

difficult situation

all the borders

territory; domain; realm; state; condition; situation; circumstances

outside (a country's) borders

family financial situation; family circumstances

land of fantasy; fairyland

wretched situation

artistic mood or conception; creative concept

limit; boundary; end

habitat

advanced years; old age

grievance; dire straits

context

to cross a border (usually illegally); to sneak in or out of a country

cross-border

favorable circumstances

to leave or enter a country

within and without the borders; domestic and foreign; home and abroad

the environment (from a macro perspective); the broader context; the bigger picture

to reach the pinnacle (of artistic skill)

entering and leaving a country

The issue is in the past, and the situation has changed (idiom).; It is water under the bridge.