Dutch Open 2023 Greifenburg from 17 till 24 june 2023 Location: Greifenburg, Austria The first day 8:30 briefing at the camping gate , near gliderloading place Registration - June 17th 2023, 17.00 – 20.00 First Safety/Competition Briefing - June 18th 2023, 09.00 Contest Flying Days - June 18th – June 24th 2023 Closing Ceremony & Prize Giving - June 24th 2023