About: http://dbpedia.org/resource/Category:City-states

Property	Value
rdf:type	skos:Concept
rdfs:label	City-states
skos:broader	dbpedia:Category:Cities dbpedia:Category:Government_institutions
skos:prefLabel	City-states
is skos:broader of	dbpedia:Category:Altepetl dbpedia:Category:Ancient_cities dbpedia:Category:Ancient_city_of_Rome dbpedia:Category:Bremen_(city) dbpedia:Category:Carthage dbpedia:Category:Free_City_of_Danzig dbpedia:Category:Greek_city-states dbpedia:Category:Novgorod dbpedia:Category:Hamburg dbpedia:Category:Maritime_Republics dbpedia:Category:Monaco dbpedia:Category:Moscow dbpedia:Category:Singapore dbpedia:Category:Vatican_City
is skos:subject of	dbpedia:Singapore dbpedia:Dire_Dawa dbpedia:Cartagena,_Spain dbpedia:Vatican_City dbpedia:Polis dbpedia:Thebes,_Greece dbpedia:Pyu_city-states dbpedia:Italian_city-states dbpedia:Monaco dbpedia:Athens dbpedia:Free_imperial_city dbpedia:Free_Territory_of_Trieste dbpedia:History_of_Zürich dbpedia:Cities_of_the_Ancient_Near_East dbpedia:List_of_fictional_city-states_in_literature dbpedia:Corinth