ZarzyskoZarzysko is a village in the administrative district of Gmina Oleśnica, within Oleśnica County, Lower Silesian Voivodeship, in south-western Poland. Area of Zarzysko, Olesnica is 79107m2.DemographicsPopulation is only 17. Population change from 1975 to 2015 is +325%. There was no population change 2000–2015. Timezone is Central European Summer Time.