From Halopedia, the Halo wiki
Katagalugan is a location on the planet Mars.
It is likely majority-Filipino, as its known settlements are named after cities in the Philippines on Earth, the word "Katagalugan" is the native name for the islands, and both characters identified as Katagalugan citizens are of Filipino descent.
List of appearances
- Halo: Landfall
- Halo: Arms Race (First mentioned)