· MUNICIPALITY REGION 11 BATANES LONE LEGISLATIVE DISTRICT Basco Itbayat I vana Mahatao Sabtan U...
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· MUNICIPALITY REGION 11 BATANES LONE LEGISLATIVE DISTRICT Basco Itbayat I vana Mahatao Sabtan U an CAGAYAN 1ST LEGISLATIVE DISTRICT Established Precincts Barangays Clustered