Dryad is the home planet of a race of silicon based humanoids.

The underworld in egyptian mythology.

The largest city and emirate within the United Arab Emirates. The "Disneyworld of the Desert" or "Vegas of the Middle East".

Dublin (or Baile Átha Cliath in Irish) is the capital city of the Republic of Ireland.

The home of Donald Duck, Scrooge McDuck, Huey, Dewey, Louie, The Beagle Boys, Gyro Gearloose and a host of other characters. The Brainchild of Carl Barks. It is located in the fictional state of Calisota (Northern California as an independant state).

Created by Everett Ducklair, home of Uno and the refuge of Donald Duck's superhero persona during Paperinik New Adventures.

A planet in an alternate reality that is very similar to Earth-616. The main difference between the two planets is that Duckworld is dominated by ducks instead of primates. Its capital is New Stork City, the birthplace of Howard the Duck.

A village of donkeys which lies outside the Land of Oz across the Great Sandy Wastes. It is located in the same unnamed country as Foxville, Musiker Valley, and the Territory of the Scoodlers.

A fictional town in Massachusetts created by H.P. Lovecraft.

The insane asylum that Dr. Rottwell was admitted to. It ended up serving as his base of operations for literally many years.

Once a planet with high-order civilization, Durla was devastated by nuclear war that lasted for six minutes.

The town the Atomic Knights formed in and used as their headquarters after World War III in October 1986.

A planet that was liberated by the Space Knights.

Dxun, also known as the "Demon Moon", is the largest of the four moons of Onderon. It was the site of Mandalorian Fleet Headquarters during the Mandalorian Wars and later during the Onderon Civil War served as the location of the Mandalorians semi-hidden base.

Silver Surfer visited while Thanos collected the gems for the Infinity Gauntlet.

Eadu is a planet where Galen Erso did his research for the Galactic Empire.

Eagle Plaza is the home and research-and-development facility of Forge, in Dallas, Texas.

Earfk is a small planet that first appears in Groot #4. It resembles Earth's Moon and has a small gas station presided over by the robotic attendant Mantron. Three lost Skrulls mistake it for earth, and after apologizing they join Groot on a journey to save Rocket.

Earth is the third planet from the Sun and is the only planet that contains organic life forms. It is sometimes referred to as The World, The Blue Planet or its Latin name Terra.

A world where the Nazis won World War 2. Home of the Quality characters, Uncle Sam and the Freedom Fighters.

An alternate reality where everyone is gender-reversed. Superwoman instead of Superman. Batwoman instead of Batman and Wonderous Man instead Wonder Woman.

Reality featured in DC's Dark Knight of Steel stories. It is a medieval sword and sorcery Earth.

Home reality of Bishop and Ruby Summers among others.

Reality similar to the Batman Beyond time period of the DC animated universe.

Earth-1298 is the reality Havok of Earth-616 went to when his mind switched with an alternate evil Havok.

Home of the League of Shadows and their Vertigo-inspired heroes, lead by Superdemon.

Originally, an unknown earth, it was revealed as the home of the Justice League of Assassins.

The so called perfect universe destroyed by Superboy Prime. It was recreated later by Hal Jordan as a reality under the control of the fascist Blackstars.

Earth-15104, the Here Comes Tomorrow reality, is an alternate reality where Sublime tries to demolish earth with the help of the Phoenix.

Home of the Supersons and the DC 90's characters. A crimeless utopia where the children of the superheroes live as supercelebrities.

Marvel's Ultimate Universe, begun as a series of books featuring re-imagined versions of their characters. It was later replaced with a new universe Earth-6160.

Atomic Earth. A postapocalyptic wasteland where radiation and hope still burns, home of the Atomic Knights and the Atomic Knights of Justice.

World of the Justice Riders, a perpetual steampunk wild west.

A reality where Earth is still in the Industrial Revolution.

An alternate Earth that housed the Golden Age DC universe, the Justice Society Infinity, and the Justice Society of America. Post Flashpoint it became the home of a new generation of wonders building a new world.