It's hard to explain but you've been brought to an entirely new world. Most likely, you won't know any of the cities here.

And yes, that is a pokemon. They come in many species. Ah, for example-- [He leans off screen for a moment, and when he leans back, he has a red oricorio perched on his hand.] This is one of the newest pokemon I've acquired. Her name is Amelia.

When people are first brought here, they are also giving a first pokemon companion. The one behind the tree is probably yours.