Exbel

Exbel is the first released region of PMU. It is also the largest region in the game, where a majority of it is plains. It contains 21 dungeons altogether and the level varies from level 5 to level 40.

Exbel is the only region that has set level dungeons, meaning you have your level set into a specific level for the certain dungeon. It also holds the honor of being the only region having Events.

This region is where most players gather in and is the region that you first appear in after the tutorial.

Like Winden and Tanren, this region previously existed in PMU 6.

New Features
Since Exbel is the oldest region in the game, it is the first to offer NPC services to the player. Some include features that cannot be found anywhere else but in Grassroot Town:

Togekiss's Egg Trade-In

Arena

Mission Board

Dojo

Luminous Chamber

Delite Plaza

Capture the Flag

Repeats
Since Exbel Plains is the first region created, it does not have any repeats.

Dungeons
Exbel Plains holds the most dungeons out of all the regions and is the only region to hold Set-Level Dungeons. However, the dungeons in Exbel Plains are mostly low levels, from level 5 to level 40.

Tiny Grotto

Seaside Cavern

Sour Root Cave

Happiness Lake

Winden Pass

Harmonic Tower

Sunny Hillside

Thunderstorm Forest

Deep Thunderstorm Forest

Jailbreak Tunnel

Marowak Training Dojo

Island Garden

Mineral Cave

Southern Sea

Mt. Barricade

Lenile Cavern

Pitch-Black Abyss

Misc.
Exbel Plains is the easiest region out of the three currently released, however it holds the most dungeons that range from level 5 to level 100*. It is the biggest region currently released. The region also has many features that the other regions do not.