However, the story also includes:
* The Labyrinth: An ancient, ever-shifting maze created by Daedalus, which stretches beneath the surface of the earth and connects to various locations around the world.
* New York City: Percy and his friends visit the city several times, including the Metropolitan Museum of Art and a hidden entrance to the Labyrinth in Central Park.
* The Underworld: Percy and his friends journey to the Underworld to confront the Titan, Kronos, and his forces.
* The Amazonian camp: The demigods visit the Amazonian training ground located in the Amazon rainforest.
So, while Camp Half-Blood is the central location, the story unfolds across various locations, both real and mythical.