The Italian Greyhound looks like a much smaller version of the Greyhound. It is the smallest of the gazehounds or sight hounds. They are classed in the Toy Group for dog shows both AKC in the US and Canadian Kennel Club in Canada.
For more information on the Greyhound and good breeders contact here is the link for the IG Club of America that's also the best place to start for info.
http://www.italiangreyhound.org/