query: SELECT DISTINCT ?itemLabel WHERE {
    ?item wdt:P31 wd:Q6256 ;
          wdt:P2046 ?area ;
          p:P47 ?statement .
    ?statement ps:P47 ?y ;
               pq:P805 ?border .
    ?border wdt:P31 wd:Q15104814 .
    FILTER NOT EXISTS {
      ?item p:P47 ?s .
      ?s ps:P47 ?x ;
         pq:P805 ?b .
      ?b wdt:P31 wd:Q15104814 .
      ?x wdt:P2046 ?area2 .
     FILTER ( ?area2 < ?area )
    }
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en" . }
  } ORDER BY ?itemLabel