Grahovo (pronounced [ɡrâxoʋo]) is a settlement in the Nikšić municipality of western Montenegro.
In the early 17th century, during the Sanjak of Scutari, Grahovo was commanded by Mile Perin. There were 90 houses of which:
The town had 200 men in arms.
The title "Grand Duke of Grahovo", which refers to this settlement, is an honorary title held by the titular rulers of Montenegro, currently held by HRH Boris, Hereditary Prince of Montenegro.
The holders of the title included: