I am researching my mother's family. Her father was Jan Sulko from Kis-Brestovan or Kis-Brestovany which is now Brestovany, Slovakia. Her mother was Veronika Sedlak who was from what is now Malzenice, Slovakia.
The surname S'ULKO lists in Brestovany and SEDLAK in Malzenice.
www.zoznamst.sk
www.obce.info
www.adc.sk/english/slovakia/slovak04.htm
www.tourist-channel.sk