Lääne County is one of the 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 ā constituting 2.0% of the total population in Eā¦Lääne County is one of the 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 ā constituting 2.0% of the total population in Estonia.