{
  "contentStorage": "postgres",
  "title": "Essex County · Relations",
  "description": "Essex County is a county in Massachusetts, United States, with county seat Salem.",
  "url": "/en/places/ma-essex-county/relation.html",
  "entity": {
    "id": "place_us_ma_essex_county",
    "type": "place",
    "title": "Essex County",
    "slug": "ma-essex-county",
    "aliases": [
      "埃塞克斯县"
    ],
    "summary": "Essex County is a county in Massachusetts, United States, with county seat Salem.",
    "status": "published",
    "categories": [
      "category-geography"
    ],
    "tags": [],
    "sources": [
      {
        "id": "enwiki",
        "title": "Essex County (Wikipedia)",
        "url": "https://en.wikipedia.org/wiki/Essex_County"
      },
      {
        "id": "uscb2023",
        "title": "U.S. Census Bureau 2023 FIPS state and county codes",
        "url": "https://www.census.gov/library/reference/code-lists/ansi.html"
      }
    ],
    "createdAt": "2026-10-29T03:05:28+08:00",
    "updatedAt": "2026-10-29T03:05:28+08:00",
    "updatedBy": "user:admin",
    "revision": 4,
    "body": "## Administrative divisions\n\nEssex County is a county in Massachusetts, United States; the county seat is Salem[^uscb2023].\n\n## Basic facts\n\n- State: [[place_us_ma|Massachusetts]]\n- County seat: Salem[^uscb2023]\n- Division level: county[^uscb2023]\n\n## Parent division\n\nLocated in [[place_us_ma|Massachusetts]].",
    "url": "/places/ma-essex-county.html",
    "lang": "en",
    "availableLangs": [
      "zh",
      "en"
    ],
    "placeKind": "county",
    "coordinates": {
      "latitude": 42.64,
      "longitude": -70.9
    },
    "adminArea": "United States · Massachusetts · Essex County"
  },
  "entities": null,
  "relations": [
    {
      "id": "relation_us_ma_essex_county_in_us_ma",
      "fromId": "place_us_ma_essex_county",
      "relationType": "located_in",
      "toId": "place_us_ma",
      "sourceRefs": [
        {
          "entityId": "place_us_ma_essex_county",
          "sourceId": "uscb2023"
        }
      ],
      "label": "Located in",
      "targetId": "place_us_ma",
      "targetTitle": "Massachusetts",
      "targetUrl": "/en/places/massachusetts.html",
      "incoming": false
    }
  ],
  "mentions": [
    {
      "fromId": "place_us_ma",
      "fromTitle": "Massachusetts",
      "fromUrl": "/en/places/massachusetts.html",
      "fromType": "place"
    }
  ],
  "relationGroups": [
    {
      "type": "same_area",
      "label": "同区域",
      "hubId": "place_us_ma",
      "hubTitle": "Massachusetts",
      "hubUrl": "/en/places/massachusetts.html",
      "items": [
        {
          "id": "relation_us_ma_boston_in_us_ma",
          "fromId": "place_us_ma_boston",
          "relationType": "located_in",
          "toId": "place_us_ma",
          "sourceRefs": [
            {
              "entityId": "place_us_ma_boston",
              "sourceId": "uscb2023"
            }
          ],
          "label": "Contains places",
          "targetId": "place_us_ma_boston",
          "targetTitle": "Boston",
          "targetUrl": "/en/places/ma-boston.html",
          "incoming": true
        },
        {
          "id": "relation_us_ma_cambridge_in_us_ma",
          "fromId": "place_us_ma_cambridge",
          "relationType": "located_in",
          "toId": "place_us_ma",
          "sourceRefs": [
            {
              "entityId": "place_us_ma_cambridge",
              "sourceId": "uscb2023"
            }
          ],
          "label": "Contains places",
          "targetId": "place_us_ma_cambridge",
          "targetTitle": "Cambridge",
          "targetUrl": "/en/places/ma-cambridge.html",
          "incoming": true
        },
        {
          "id": "relation_us_ma_middlesex_county_in_us_ma",
          "fromId": "place_us_ma_middlesex_county",
          "relationType": "located_in",
          "toId": "place_us_ma",
          "sourceRefs": [
            {
              "entityId": "place_us_ma_middlesex_county",
              "sourceId": "uscb2023"
            }
          ],
          "label": "Contains places",
          "targetId": "place_us_ma_middlesex_county",
          "targetTitle": "Middlesex County",
          "targetUrl": "/en/places/ma-middlesex-county.html",
          "incoming": true
        },
        {
          "id": "relation_us_ma_norfolk_county_in_us_ma",
          "fromId": "place_us_ma_norfolk_county",
          "relationType": "located_in",
          "toId": "place_us_ma",
          "sourceRefs": [
            {
              "entityId": "place_us_ma_norfolk_county",
              "sourceId": "uscb2023"
            }
          ],
          "label": "Contains places",
          "targetId": "place_us_ma_norfolk_county",
          "targetTitle": "Norfolk County",
          "targetUrl": "/en/places/ma-norfolk-county.html",
          "incoming": true
        },
        {
          "id": "relation_us_ma_springfield_in_us_ma",
          "fromId": "place_us_ma_springfield",
          "relationType": "located_in",
          "toId": "place_us_ma",
          "sourceRefs": [
            {
              "entityId": "place_us_ma_springfield",
              "sourceId": "uscb2023"
            }
          ],
          "label": "Contains places",
          "targetId": "place_us_ma_springfield",
          "targetTitle": "Springfield",
          "targetUrl": "/en/places/ma-springfield.html",
          "incoming": true
        },
        {
          "id": "relation_us_ma_suffolk_county_in_us_ma",
          "fromId": "place_us_ma_suffolk_county",
          "relationType": "located_in",
          "toId": "place_us_ma",
          "sourceRefs": [
            {
              "entityId": "place_us_ma_suffolk_county",
              "sourceId": "uscb2023"
            }
          ],
          "label": "Contains places",
          "targetId": "place_us_ma_suffolk_county",
          "targetTitle": "Suffolk County",
          "targetUrl": "/en/places/ma-suffolk-county.html",
          "incoming": true
        },
        {
          "id": "relation_us_ma_worcester_in_us_ma",
          "fromId": "place_us_ma_worcester",
          "relationType": "located_in",
          "toId": "place_us_ma",
          "sourceRefs": [
            {
              "entityId": "place_us_ma_worcester",
              "sourceId": "uscb2023"
            }
          ],
          "label": "Contains places",
          "targetId": "place_us_ma_worcester",
          "targetTitle": "Worcester",
          "targetUrl": "/en/places/ma-worcester.html",
          "incoming": true
        },
        {
          "id": "relation_us_ma_worcester_county_in_us_ma",
          "fromId": "place_us_ma_worcester_county",
          "relationType": "located_in",
          "toId": "place_us_ma",
          "sourceRefs": [
            {
              "entityId": "place_us_ma_worcester_county",
              "sourceId": "uscb2023"
            }
          ],
          "label": "Contains places",
          "targetId": "place_us_ma_worcester_county",
          "targetTitle": "Worcester County",
          "targetUrl": "/en/places/ma-worcester-county.html",
          "incoming": true
        }
      ]
    },
    {
      "type": "located_in",
      "label": "Located in",
      "items": [
        {
          "id": "relation_us_ma_essex_county_in_us_ma",
          "fromId": "place_us_ma_essex_county",
          "relationType": "located_in",
          "toId": "place_us_ma",
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              "entityId": "place_us_ma_essex_county",
              "sourceId": "uscb2023"
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          ],
          "label": "Located in",
          "targetId": "place_us_ma",
          "targetTitle": "Massachusetts",
          "targetUrl": "/en/places/massachusetts.html",
          "incoming": false
        }
      ]
    }
  ],
  "lang": "en",
  "availableLangs": [
    "zh",
    "en"
  ],
  "infoFields": [
    {
      "key": "place_kind",
      "label": "Place kind",
      "value": "County"
    },
    {
      "key": "admin_area",
      "label": "Admin area",
      "value": "United States · Massachusetts · Essex County"
    },
    {
      "key": "coordinates",
      "label": "Coordinates",
      "value": "42.64000, -70.90000"
    }
  ],
  "pagination": {
    "page": 1,
    "pageSize": 50,
    "total": 1,
    "pageCount": 1
  },
  "relationsTotal": 1,
  "mentionsTotal": 1
}