With 201 breeds, there's certainly the perfect dog out there for everyone. But what about petite pups? Here's what to know about the smallest dog.

We’ll introduce you to the 20 world’s smallest dog breeds and highlight the smallest dog on record. According to the Guinness World Records, the smallest dog in the world is a Chihuahua from ...

In the canine world, Milly, a Chihuahua residing in Puerto Rico, holds the GUINNESS WORLD RECORDS title for "Smallest Living Dog." Standing at only 3.8 in tall, the peppy pooch was "so small she ...