Lalawigang Bulubundukin

Etymology
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Proper noun

 * 1)  huge province in the Cordilleras composed of the subprovinces of Apayao, Amburayan, Benguet, Ifugao, Kalinga, and Lepanto-Bontoc
 * 1)  huge province in the Cordilleras composed of the subprovinces of Apayao, Amburayan, Benguet, Ifugao, Kalinga, and Lepanto-Bontoc
 * 1)  huge province in the Cordilleras composed of the subprovinces of Apayao, Amburayan, Benguet, Ifugao, Kalinga, and Lepanto-Bontoc