CSS Day

.css-day {
  date: '5th and 6th of June 2025';
  speakers: 14;  /* Single-track */
  venue: Zuiderkerk;  /* Amsterdam, NL */
} 

Watch the 2024 sessions

Venue

Like last year, CSS Day will take place in the Zuiderkerk,. Sessions, breaks, lunch and the afterparties with drinks and a bite will all be taking place under the same roof.

Zuiderkerk Amsterdam
Zuiderkerkhof 72
1011 WB Amsterdam
The Netherlands
Google Maps, Apple Maps

The venue is wheelchair-accessible, but please tell us in advance if you're in a wheelchair. We have to arrange a few minor details.

Built in the early 1600s, when Amsterdam grew exponentially, it is the first purpose-built Protestant church in the country at the very least - possibly the world. At build time it was at the southern edge of the city, hence the name South Church. Meanwhile ... that's not the case any more. It contains the graves of architect Hendrik de Keyser, who was responsible for many 17th century public buildings, as well as Rembrandt's first child, who died months after birth.

From the 1970s on the Zuiderkerk was a public information centre, and a few events were also organised there. Since then the events function has been expanded, until it serves almost exclusively as a venue for conferences and other gatherings.