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From BIONICLEsector01

"All was quiet. This was traditionally the most peaceful section of Metru Nui, home to scholars and scientists. Often the only sound that could be heard was the rush of the protodermis falls."
— Narrator, Mystery of Metru Nui

LOMN10 Ga-Metru 1.png
District of Metru Nui
Status Dismantled
Inhabitants Ga-Matoran (formerly)
Population None
Position Northeastern Metru Nui
Pronunciation GAH-MET-troo

Ga-Metru was the district of Water on the island city of Metru Nui, and the city's spiritual and schooling center. It was also home to the Great Temple, which housed the Toa Suva.


Ga-Metru was the second district of Metru Nui to be constructed.

Ga-Metru ruined by the Great Cataclysm

Ga-Metru was widely revered as one of the most peaceful Metru, as well as the one the Great Spirit liked the most. It was here that Protodermis was piped in, purified, and sent to the other Metru for use. Ga-Metru was also home to the Great Temple, the most spiritual location on the island, and often considered by the Matoran to be the second most important landmark on Metru Nui, after the Coliseum.

Ga-Metru contained many schools and universities, and thusly, many Matoran flocked to these schools to obtain a higher knowledge. Most often, Ga-Matoran were the only Matoran to enroll in these schools, although Ko-Matoran were known to as well, via an exchange program. Each year, many Matoran graduated with degrees in history, language, science, environmental science, diplomacy,[1] and many other areas of study. Visitors to the city were allowed to tour the facilities, watch students in science class, and even sit through a lecture. Listening to lectures was very popular among the Matoran, and especially popular among Ko-Matoran and Onu-Matoran. Due to the high number of participants, many students were unable to receive their first choice of lecture. Also of note in Ga-Metru are the Protodermis Labs. These facilities were dedicated to finding better ways of purifying and using Liquid Protodermis, along with attempting to synthetically recreate Energized Protodermis. Whenever visitors were around the facility, they were allowed to observe the actions, but are forbidden to enter the chamber itself. This is for the safety of all, and was strongly enforced by the Vahki.

A part of Ga-Metru occupied by Visorak

During the Matoran Civil War, Ga-Metru unsuccessfully tried to remain neutral, but ended up allying with Ta-Metru.

Ga-Metru was the location where Toa Nidhiki first met Lariska during the Toa-Dark Hunter War and started his ill-fated plan to betray the Toa. However, Nidhiki was unaware of Lhikan's Toa reinforcements which arrived during his second meeting with Lariska, and the betrayal failed.

Many years later, when Lhikan was the only remaining Toa of Metru Nui, he traveled to the Great Temple to steal the Toa Stones, as he had realized Turaga Dume had grown corrupt. After evading the Dark Hunters, Lhikan gave a Toa Stone to the Ga-Matoran Nokama before leaving the district.

During the Great Cataclysm, Ga-Metru was destroyed along with the other areas of the city. Roughly one thousand years later, when the Ga-Matoran of Mata Nui returned to Ga-Metru, they began to repair the district. As they worked, several stayed in Po-Metru until their homes were rebuilt. The city was later repaired to its former glory due to the usage of the Staff of Artakha.

Along with the rest of Metru Nui, Ga-Metru was greatly damaged when a fragment of Aqua Magna impacted the Core Processor during Teridax's battle with Mata Nui. The surviving Matoran evacuated the Matoran Universe for the surface of Spherus Magna. Later, Ga-Metru, along with all other locations in the Matoran Universe, was dismantled.[OGQ: Dec 13 2010, 04:34 PM][2]

Alternate Universes

Toa Empire Alternate Universe

The Re-Education Center is a center in the Ga-Metru of an alternate universe. It was run by Gali and Karzahni, but Gali was killed in a rebellion and Karzahni now runs it alone. The center was established to deal with troublesome beings.

Notable Aspects

Aerial view of Ga-Metru

Notable Former Inhabitants

  • Nokama - Former teacher in a school and Toa of Water, now the Turaga of Ga-Metru.
  • Gali - Toa Nuva of Water.
  • Hahli - A student of Metru Nui, later a Kolhii champion and Chronicler on Ga-Koro, now the Toa Mahri and former Toa Inika of Water.
  • Vhisola - A Student of Ga-Metru.
  • Tuyet - A Toa Mangai of Water. She lived in a Hut temporarily while trying to hide the Nui Stone.
  • Naho - Another Toa Mangai of Water, she was killed when sent on a mission by Teridax disguised as Turaga Dume.
  • The Toa Mangai of the Green - A Toa Mangai of the Green. He lived in Ga-Metru due to the fact that it was a place close to nature for a city. He was killed when sent on a mission by Teridax disguised as Turaga Dume.[3]

Significant Locations


The Ga-Metru skyline in the Vahki Promo Animations
Books Comics Online Multimedia





Story Serials

Short Stories





  1. Chat with Greg Farshtey, 10 August 2014
  2. Chat with Greg Farshtey, 18 August 2014
  3. Chat with Greg Farshtey, 30 November 2014

See also