LOCATION@1 's only land border is with LOCATION@2 , and runs for NUMBER@1 kilometres -LRB- NUMBER@2 mi -RRB- between the basin of the River Tweed on the east coast and the LOCATION@3 in the west .

LOCATION@1 's only land border is with LOCATION@2 , and runs for NUMBER@1 kilometres -LRB- NUMBER@2 mi -RRB- .
