Lääne County (Estonian: Lääne maakond or Läänemaa, literally "Western land"; German: Wiek; Latin: Rotalia) is one of 15 counties of Estonia. It is located in western Estonia and borders the Baltic Sea to the north, Harju County to the north-east, Rapla County to the east, Pärnu County to the south, and the island counties of Saare and Hiiu to the west. In January 2009 Lääne County had a population of 23,810 – constituting 2.0% of the total population in Estonia.