Location and coordinates are for the approximate centre of Horndean within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Horndean, ancient par. and vil., Ladykirk par., SE. Berwickshire; the vil. is 7½ miles NE. of Coldstream.