Harris is the southerly and also more hilly part of Lewis and Harris, the largest island in the Outer Hebrides, Scotland. Although not an island itself, Harris is frequently referred to as the Isle of Harris, which is the former postal region and the current blog post town for Royal Mail postcodes starting HS3 or HS5; see HS postcode location. St Kilda, an uninhabited little archipelago, located 40 miles (64 kilometres) west-northwest of North Uist is taken into consideration part of the civil church of Harris. The very same is true for the remote uninhabited rock island Rockall, which is 230 miles (370 kilometres) west of North Uist. According to the 2011 Census, there are 1,212 Gaelic audio speakers (60%) in Harris.