Twilight Realm

&nbsp the Twilight realm, Is a realm parallel to hyrule and is an important location in legend of zelda twilight princess.

Inhabitants
The twiight realm is inhabited by the mysterious Twili. It is notable that normal enemies in the twilight realm appear in shades of black and in some cases ( notably the korgorok) are drasticaly altered in appearance.

Government
The government of the twilight realm is a monarchy. The latest known Queen was Midna.

How to enter
There are only two known ways to enter the twilight realm. One is the Mirror of Twilight, the other is A "wall of twilight" as often seen when Zant took over Hyrule.

Note: although the method is not clear It was very clear that with zant's help Ganondorf could travel between realms without either of these devices.