Ga-Koro was the home village of the Ga-Matoran on Mata Nui. It was led by Turaga Nokama and protected by Toa Gali. It floated atop the waters off the northeastern coast of Mata Nui. Seaweed and lily pads in Naho Bay provided a foundation for the village to float upon. Whirlpools and strong currents made the village a dangerous place for outsiders to visit.
Gali, Toa of Water, lived beside Lake Naho and the nearby islands and streams. She and her people were equally at home in the water or out of it.
Ga-Koro's Toa was Gali Nuva, its Turaga was Nokama, and its villagers were the Ga-Matoran. If one climbed the white cliffs above Gali's bay, one would see the village of Ga-Koro far below, floating in the waters off the north-eastern tip of Mata Nui. Ga-Koro was built out of seaweed. It was home to the brave Ga-Matoran. All of the Ga-Matoran were female, like their protector, Gali. Although Takua visited Ga-Koro, Ga-Koro saw few travelers. The whirlpools and strong currents that surrounded the village were enough to keep most others away.
Ga-Koro was built on top of large lily pads.
Floating atop the waters off the northeastern coast of Mata Nui, Ga-Koro was the village of Water and home to the Ga-Matoran. Travel to and from the main island was by canoe, but whirlpools and strong currents made it a dangerous trip. The dwelling places of the Matoran were made out of seaweed. The village was largely rebuilt and redesigned following a Bohrok attack.