| gptkbp:instanceOf | gptkb:town 
 | 
                        
                            
                                | gptkbp:ancientCityWalls | yes 
 | 
                        
                            
                                | gptkbp:areaCode | 0224 
 | 
                        
                            
                                | gptkbp:country | gptkb:Turkey 
 | 
                        
                            
                                | gptkbp:distanceFromBursa | approx. 85 km 
 | 
                        
                            
                                | gptkbp:distanceFromLondon | approx. 200 km 
 | 
                        
                            
                                | gptkbp:economy | gptkb:ceramics agriculture
 tourism
 
 | 
                        
                            
                                | gptkbp:famousFor | gptkb:First_Council_of_Nicaea gptkb:frescoes
 gptkb:Second_Council_of_Nicaea
 
 | 
                        
                            
                                | gptkbp:founded | 4th century BC 
 | 
                        
                            
                                | gptkbp:historicalName | gptkb:Nicaea Νίκαια (Nikaia)
 
 | 
                        
                            
                                | gptkbp:latitude | 40.4267 
 | 
                        
                            
                                | gptkbp:locatedOn | gptkb:Lake_Iznik 
 | 
                        
                            
                                | gptkbp:longitude | 29.7211 
 | 
                        
                            
                                | gptkbp:mayor | gptkb:AKP gptkb:Kağan_Mehmet_Usta
 
 | 
                        
                            
                                | gptkbp:notableSite | gptkb:Green_Mosque gptkb:Roman_Theatre
 gptkb:Lake_Iznik
 gptkb:Hagia_Sophia_of_Nicaea
 
 | 
                        
                            
                                | gptkbp:partOf | gptkb:Ottoman_Empire gptkb:Roman_Empire
 Byzantine Empire
 
 | 
                        
                            
                                | gptkbp:population | approx. 22,000 
 | 
                        
                            
                                | gptkbp:postalCode | 16860 
 | 
                        
                            
                                | gptkbp:province | gptkb:Bursa_Province 
 | 
                        
                            
                                | gptkbp:region | gptkb:Marmara_Region 
 | 
                        
                            
                                | gptkbp:timezone | gptkb:TRT_(UTC+3) 
 | 
                        
                            
                                | gptkbp:twinnedWith | gptkb:Nicaea,_Italy 
 | 
                        
                            
                                | gptkbp:UNESCO_tentative_list | yes 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:World_Nomad_Games 
 | 
                        
                            
                                | gptkbp:bfsLayer | 7 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | Iznik, Turkey 
 |