Harris is the southern and also extra hilly part of Lewis as well as Harris, the biggest island in the Outer Hebrides, Scotland. Although not an island itself, Harris is usually described as the Isle of Harris, which is the former postal county as well as the existing message town for Royal Mail postcodes beginning HS3 or HS5; see HS postcode area. St Kilda, an unoccupied tiny island chain, situated 40 miles (64 kilometres) west-northwest of North Uist is thought about part of the civil parish of Harris. The very same is true for the remote unoccupied 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.