Borderriver

1 clue
It may straddle neighboring countries ... and, in a different way, what each of four sets of puzzle circles graphically depicts
Similar answers:
Acrosstheborder
Alabamaborder
Arriver
Arrivers
Bionicborder
Borde
Bordeaux
Bordeauxeducation
Bordeauxwine
Bordelaise
Bordelaisesauce
Bordell
Bordello
Bordellos
Borden
Bordenlodging
Bordens
Bordenschools
Border
Bordercollie