Caraga
Caraga, officially known as the Caraga Administrative Region or simply Caraga Region and designated as Region XIII, is an administrative region in the Philippines occupying the northeastern section of the island of Mindanao. The Caraga Region was created through "Republic Act No. 7901" on February 23, 1995. The region comprises five provinces: Agusan del Norte, Agusan del Sur, Surigao del Norte, Surigao del Sur and Dinagat Islands; six cities: Bayugan, Bislig, Butuan, Cabadbaran, Surigao and Tandag; 67 municipalities and 1,311 barangays. Butuan is the regional administrative center.
Mines and Geosciences Bureau Region 13 (Philippines)
In the broader physiographic framework of the Philippine archipelago, Caraga Region occupies the northernmost portion of the Eastern Mindanao Ridge or Mindanao Pacific Cordillera, a more than 400-km, NNW-SSE trending orogenic belt comprising eastern Mindanao. The Mindanao Pacific Cordillera is bounded by two major structures that played a key role in the neotectonic evolution of the Philippine Mobile Belt, namely the Philippine Trench and the Philippine Fault Zone.