His origins are not stated, but the base of his operations are in Antarctica.
The Ice King was created by Bill Everett in 1955.
Major Story Arcs
The Ice King made his first appearance in the Sub-Mariner Comics #42, in this arc, the Ice King helps Namor.
Powers & Abilities
His names says it all, he's the ice king he's made of ice and has the abilities to control ice.