Background information Chirnside A village of Berwickshire in the Scottish Borders, Chirnside lies to the north of the Whiteadder Water, 9 miles (15 km)west of Berwick-upon-TweedBackground information Chirnside A village of Berwickshire in the Scottish Borders, Chirnside lies to the north of the Whiteadder Water, 9 miles (15 km) west of Berwick-upon-Tweed