It is a story about yokai – supernatural creatures in Japanese folklore.
Kitaro is the main character – a yokai born in a graveyard.
He is fighting for peace between yokai and humans.
The supporting characters include his father, who was reincarnated as an eyeball.
It was started in 1959 by Shigeru Mizuki.
The home of Mizuki and Ge Ge Ge no Kitaro is in Tottori prefecture.
Sakaiminato city has statues and a museum for Shigeru Mizuki.
Check their official site here.