Land of Blarney is a term used to refer to the Republic of Ireland, which is also known as EIRE (4 letters) and ERIN (4 letters). It is a reference to the famous Blarney Stone, located in Blarney Castle in County Cork, Ireland. The stone is said to give the gift of eloquence to those who kiss it. The term Land of Blarney is often used to describe the Irish people's reputation for being witty and charming.