 The archipelago 's remote location and oceanic climate are matched in the UK only by a few smaller outlying islands such as the Flannan Isles , North Rona , Sula Sgeir , and the Bishop 's Isles at the southern edge of the Outer Hebrides . Administratively , St Kilda was part of the parish of Harris in the traditional county of Inverness @-@ shire . Today it is incorporated in the Comhairle nan Eilean Siar ( Western Isles ) unitary authority . 
