Wikipedia
                    Jaskółowo
                    
                        
                
                                                                    Jaskółowo is a village in the administrative district of Gmina Nasielsk, within Nowy Dwór Mazowiecki County, Masovian Voivodeship, in east-central Poland. It lies approximately south-east of Nasielsk, north-east of Nowy Dwór Mazowiecki, and north of Warsaw.