Complex sentence: Chirk has been part of the County Borough of Wrexham since local government reorganisation in 1996; prior to which it was administered as part of the county Clwyd and was part of the former county of Denbighshire.
Split into simpler sentences: Chirk has been part of the County Borough of Wrexham since local government reorganisation in 1996. Prior to which it was administered as part of the county Clwyd and was part of the former county of Denbighshire.