Blackbuckle is a village in the Riverlands. It is disputed land between House Bracken and House Blackwood. It is currently held by House Blackwood.
Blackbuckle was burned by the dragon Vhagar during the Dance of the Dragons.
A Dance with Dragons
Lord Jonos Bracken unsuccessfully asks Ser Jaime Lannister for Blackbuckle for subduing Lord Tytos Blackwood.