Tirucca (Irish: Tír Roca, meaning furrowed land) is a principality in southwest Maltropia. It is the nth-most populous principality, home to _,___,___. It covers 69,758.10 square kilometres and is Maltropia's fourth smallest principality. Its capital city is Lecan.
It is bordered by the principalities of Escir to the north, Fearann Ard to the east and Snowheight and Imleach Bregia to the south.