Proper noun
A small town and civil parish with a town council in Shropshire, England (OS grid ref SO2980). The council has the curious title of "Clun Town Council with Chapel Lawn".
A river in Shropshire and Herefordshire, England, which joins the River Teme.
A river, the Afon Clun in Rhondda Cynon Taf county borough, Wales, which joins the Ely River.
Source: en.wiktionary.org