"III Región" meaning in Spanish

{
  "etymology_links": [
    [
      "III",
      "III"
    ],
    [
      "III",
      "III#Spanish"
    ],
    [
      "Región",
      "Región#Spanish"
    ]
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": ":af",
        "3": "III",
        "4": "Región",
        "text": "+",
        "tree": "1"
      },
      "expansion": "[III]]\", \"status\" : \"missing\", \"lang\" : \"es\" }, { \"children\" : [ ], \"lang_name\" : \"Spanish\", \"term\" : \"Región\", \"status\" : \"missing\", \"lang\" : \"es\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"lang_name\" : \"Spanish\", \"term\" : \"III Región\", \"status\" : \"ok\", \"lang\" : \"es\" }\" data-lang=\"es\" data-title=\"III Región\">\nFrom III + Región.",
      "name": "ety"
    }
  ],
  "etymology_text": "From III + Región.",
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "III Región f",
      "name": "es-proper noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages using etymon with no ID",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with etymon",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries referencing missing etymons",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with etymology texts",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with etymon",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish links with redundant alt parameters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish links with redundant wikilinks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish terms with 3 consecutive instances of the same letter",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "es",
          "name": "History of Chile",
          "orig": "es:History of Chile",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "es",
          "name": "Regions of Chile",
          "orig": "es:Regions of Chile",
          "parents": [
            "Regions",
            "Places"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Former name of the Atacama region in Chile."
      ],
      "id": "en-III_Región-es-name-dvNN7I3f",
      "links": [
        [
          "Atacama",
          "Atacama"
        ],
        [
          "Chile",
          "Chile"
        ]
      ],
      "raw_glosses": [
        "(historical) Former name of the Atacama region in Chile."
      ],
      "tags": [
        "feminine",
        "historical"
      ]
    }
  ],
  "word": "III Región"
}

{
  "etymology_links": [
    [
      "III",
      "III"
    ],
    [
      "III",
      "III#Spanish"
    ],
    [
      "Región",
      "Región#Spanish"
    ]
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": ":af",
        "3": "III",
        "4": "Región",
        "text": "+",
        "tree": "1"
      },
      "expansion": "[III]]\", \"status\" : \"missing\", \"lang\" : \"es\" }, { \"children\" : [ ], \"lang_name\" : \"Spanish\", \"term\" : \"Región\", \"status\" : \"missing\", \"lang\" : \"es\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"lang_name\" : \"Spanish\", \"term\" : \"III Región\", \"status\" : \"ok\", \"lang\" : \"es\" }\" data-lang=\"es\" data-title=\"III Región\">\nFrom III + Región.",
      "name": "ety"
    }
  ],
  "etymology_text": "From III + Región.",
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "III Región f",
      "name": "es-proper noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Pages using etymon with no ID",
        "Pages with 1 entry",
        "Pages with entries",
        "Pages with etymon",
        "Spanish compound terms",
        "Spanish entries referencing missing etymons",
        "Spanish entries with etymology texts",
        "Spanish entries with etymon",
        "Spanish entries with incorrect language header",
        "Spanish feminine nouns",
        "Spanish lemmas",
        "Spanish links with redundant alt parameters",
        "Spanish links with redundant wikilinks",
        "Spanish multiword terms",
        "Spanish proper nouns",
        "Spanish terms with 3 consecutive instances of the same letter",
        "Spanish terms with historical senses",
        "Spanish uncountable proper nouns",
        "es:History of Chile",
        "es:Regions of Chile"
      ],
      "glosses": [
        "Former name of the Atacama region in Chile."
      ],
      "links": [
        [
          "Atacama",
          "Atacama"
        ],
        [
          "Chile",
          "Chile"
        ]
      ],
      "raw_glosses": [
        "(historical) Former name of the Atacama region in Chile."
      ],
      "tags": [
        "feminine",
        "historical"
      ]
    }
  ],
  "word": "III Región"
}