{
  "place_id": "oletsko#8001_11250",
  "wikidata": "Q950436",
  "country": "PL",
  "local_name": "Olecko",
  "names": {
    "en": {
      "main": "Olecko",
      "why": "Polish official Latin-script name, retained in English in its native spelling.",
      "alternatives": [
        {
          "name": "Marggrabowa",
          "why": "Historical official name before the change to Treuburg in 1928."
        },
        {
          "name": "Marggrabowa in Ostpreußen",
          "why": "German historical distinguishing form, useful in archival retrieval."
        },
        {
          "name": "Treuburg",
          "why": "German official name from 1928 to 1945, used in English wartime histories."
        }
      ]
    },
    "fr": {
      "main": "Olecko",
      "why": "Same as in English; retain this spelling in French. No separate French exonym is selected.",
      "alternatives": [
        {
          "name": "Marggrabowa",
          "why": "Historical name retained in French references to pre-1928 East Prussia."
        },
        {
          "name": "Treuburg",
          "why": "German name used in French sources concerning the period 1928–1945."
        }
      ]
    }
  },
  "about_en": "Olecko is a town in Warmian-Masurian Voivodeship beside Lake Oleckie Wielkie. Its broad market square recalls the town’s planned development in former East Prussia.",
  "about_fr": "",
  "certainty": "high",
  "notes": "The 1928 change from Marggrabowa to Treuburg is distinct from adoption of the postwar Polish name. Input label is Ukrainian or indirect; local_name gives the native spelling.",
  "rank": 620,
  "slug": "olecko"
}