Mushroom Kingdom

The Mushroom Kingdom is where the majority of Adventures of the Mushroom Kingdom takes place. It is the main setting of the series.

Peach's Castle
One of the main locations of the Mushroom Kingdom is Princess Peach's Castle. It is where Mario, Luigi, Princess Peach, and Toad live. It is also an important place in the Mushroom Kingdom, as it is where the ruler of the Mushroom Kingdom stays.

It has a pool in the back along with many floors, bathrooms, rooms, beds, and kitchens.

Bowser's Castle
Another of the main locations of the Mushroom Kingdom is Bowser's Castle. It is where Bowser, Bowser Junior, Wario, Waluigi, Lemmy, and Frank live. It is also an important place in the Mushroom Kingdom, as it is where the villain of the Mushroom Kingdom stays.

It has a pool and a trampoline in the backyard along with a lot of floors, bathrooms, rooms, beds, and kitchens.

The Pillow Factory
The Pillow Factory is where a lot of the duels between Mario and Grinch face off.

It has a huge ledge that spans nearly 200 feet with a bunch of pillows at the bottom. Usually, Grinch and a few heroes fall off the edge but are saved by the numerous pillows at the bottom.

Wayside Town
Wayside Town is, according to Princess Peach, the "bad side" of the Mushroom Kingdom. It is a town full of crime and criminals. Wario likes to spend his time there. Wayside Town is also home to Danielle, an old scientist, and his assistant, Sammy the Sloth. The two work on lots of experiments together.