The construction of the castle began in the spring of 1623, ten years after its owner, Ferenc Mikó (1585–1635) became captain of the Csíkszék (Ciuc), Gyergyószék (Gheorgheni) and Kászonszék (Caşin) Székely seats. Ferenc Mikó was a prominent politician of the 17th century, he was also councillor of Gábor Bethlen, diplomat and chronicler.