Traditionally the Ådal parish has been divided three ways. Ytre Ådal includes the village of Hallingby and is the site of  Hallingby school and Hval Church (Hval kirke).
Historically, the Ådal parish was split into three sections. Ytre Ådal includes the village of Hallingby and features Hallingby school as well as Hval Church (Hval kirke).