The French Bulldog, French: Bouledogue Français, is a French breed of companion dog or toy dog. It appeared in Paris in the mid-nineteenth century, apparently the result of cross-breeding of Toy Bulldogs imported from England and local Parisian ratters.

It is commonly kept as a pet, and is among the most frequently registered dogs in a number of countries including Australia, the United Kingdom, and the United States.
Based on this paragraph about dogs, what is a French Bulldog?
The French Bulldog is a French breed of companion dog or toy dog. It is is among the most frequently registered dogs in a number of countries including Australia, the United Kingdom, and the United States.