query: SELECT DISTINCT ?item ?itemLabel ?coord WHERE {
    ?item wdt:P3003 ?abandoned .
    ?item wdt:P625 ?coord .
    OPTIONAL { ?sitelink schema:about ?item . ?sitelink schema:inLanguage "cs" .} 
    FILTER (!BOUND(?sitelink))
  SERVICE wikibase:label { bd:serviceParam wikibase:language "cs". }  }