North Rhine-Westphalia (27), Baden-Württemberg (28) and Bavaria (22)."

The upcoming 2019 "International Conference on Open Repositories" will be held in Hamburg.

Conferences and outreach

Since the initial Berlin conference in 2003, follow-up conferences occur every year, often in Germany.

"Open-Access-Tage" (Open Access Days) have occurred annually since 2007 in various German-speaking locales, including Berlin,