The phrase "mountain kingdom" refers to a country or region that is primarily made up of mountains and is often ruled by a king or queen. Full definition
In royal footsteps to the happy Himalayan mountain kingdom of Bhutan plus Darjeeling hill station and colonial Calcutta (vjv.com)
Bhutan is a stately, well - ordered Himalayan mountain kingdom that brings Switzerland to mind. (fieryfoodscentral.com)
We, again, follow the Dwarves as they continue their quest to reclaim, Erebor, their stolen mountain kingdom from Smaug the dragon (Benedict Cumberbatch). (itunes.apple.com)