It included the whole Sirdalen valley along the Rogaland county border, stretching from the Aust-Agder county border in the north to Sirnes and the lake Lundevatnet in the south. The administrative center was the village of Sira where Bakke Church is located.
The region encompassed the entire Sirdalen valley, extending from the border with Aust-Agder county in the north to Sirnes and the lake Lundevatnet in the south. The administrative center was located in Sira, home to Bakke Church.