"IX Región" meaning in Spanish

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "IX",
        "3": "Región"
      },
      "expansion": "IX + Región",
      "name": "com"
    }
  ],
  "etymology_text": "IX + Región",
  "head_templates": [
    {
      "args": {
        "1": "es",
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        "g": "f-s",
        "g2": "",
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      },
      "expansion": "IX Región f sg",
      "name": "head"
    },
    {
      "args": {
        "1": "f-s"
      },
      "expansion": "IX Región f sg",
      "name": "es-proper noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
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          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "es",
          "name": "History of Chile",
          "orig": "es:History of Chile",
          "parents": [
            "Chile",
            "History of South America",
            "Countries",
            "Countries in South America",
            "South America",
            "History",
            "Polities",
            "Places",
            "America",
            "All topics",
            "Names",
            "Earth",
            "Fundamental",
            "Proper nouns",
            "Terms by semantic function",
            "Nature",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "es",
          "name": "Regions of Chile",
          "orig": "es:Regions of Chile",
          "parents": [
            "Regions",
            "Places",
            "Political divisions",
            "Names",
            "Polities",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Former name of the Araucanía region in Chile."
      ],
      "id": "en-IX_Región-es-name-yArL8Xc~",
      "links": [
        [
          "Araucanía",
          "Araucanía"
        ],
        [
          "Chile",
          "Chile"
        ]
      ],
      "raw_glosses": [
        "(historical) Former name of the Araucanía region in Chile."
      ],
      "tags": [
        "feminine",
        "historical",
        "singular"
      ]
    }
  ],
  "word": "IX Región"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "IX",
        "3": "Región"
      },
      "expansion": "IX + Región",
      "name": "com"
    }
  ],
  "etymology_text": "IX + Región",
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "proper nouns",
        "g": "f-s",
        "g2": "",
        "g3": "",
        "head": ""
      },
      "expansion": "IX Región f sg",
      "name": "head"
    },
    {
      "args": {
        "1": "f-s"
      },
      "expansion": "IX Región f sg",
      "name": "es-proper noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "name",
  "senses": [
    {
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        "Pages with 1 entry",
        "Pages with entries",
        "Spanish compound terms",
        "Spanish entries with incorrect language header",
        "Spanish feminine nouns",
        "Spanish lemmas",
        "Spanish multiword terms",
        "Spanish proper nouns",
        "Spanish terms with historical senses",
        "es:History of Chile",
        "es:Regions of Chile"
      ],
      "glosses": [
        "Former name of the Araucanía region in Chile."
      ],
      "links": [
        [
          "Araucanía",
          "Araucanía"
        ],
        [
          "Chile",
          "Chile"
        ]
      ],
      "raw_glosses": [
        "(historical) Former name of the Araucanía region in Chile."
      ],
      "tags": [
        "feminine",
        "historical",
        "singular"
      ]
    }
  ],
  "word": "IX Región"
}