The Yorkshire Terrier is a British breed of toy dog of terrier type. It is among the smallest of the terriers and indeed of all dog breeds, with a weight of no more than 3.2 kg/7 pounds. It originated in the nineteenth century in the English county of Yorkshire, for which it is named. Their coats are typically tan on the head with a dark steel-grey body, but they can come in a variety of colors.It is a playful and energetic dog, usually kept as a companion dog. It has contributed to the development of other breeds including the Silky Terrier, and also to cross-breeds such as the Yorkipoo.