Cerulean City (Japanese: ハナダシティ Hanada City) is a seaside city located in northern Kanto. It is situated near a sea inlet to the north, with Saffron City to the south, and Mt. Moon to the west. It is home to Misty, the Cerulean City Gym Leader.

The city is one of only two cities in Kanto to have four different routes enter the city, the other being Saffron City. Cerulean is a mid-sized city with a few attractions, including the Bike Shop and the Berry Powder man.

Misty's title is "The Tomboyish Mermaid." Her strategy is an all-out attack with Water-type Pokémon.

Misty is constantly looking for ways to improve her technique. A swimmer herself, she trains at the Seafoam Islands. As Misty becomes a stronger Trainer, she becomes the only one in her town who can defeat the Trainers at Cerulean's cape.

It is said that Misty has high hopes for the north cape, a romantic date spot. In later years, she is seen there with an unidentified boyfriend. She dislikes pests who bother her when she's on a date.

Misty worships Lorelei of the Elite Four. It's Misty's dream to travel one day. She wishes to meet many strong Trainers.