Conference Venues

The main conference venues of ICAS 11 will be the Kamerlingh Onnes (Faculty of Law) and the Lipsius (Faculty of Humanities) of Leiden University. The venues are located in the old city centre of Leiden and only a ten minutes' walk from Leiden Central Station.

Kamerling Onnes building


Kamerlingh Onnes
Steenschuur 25



Lipsius building


Cleveringaplaats 1



Besides the two main conference venues, there will also be a few smaller venues:

Huizinga, Doelensteeg 16

Leiden University Libraries, Witte Singel 27
Oude Sterrewacht (Old Observatory), Sterrenwachtlaan 11
Museum Volkenkunde, Steenstraat 1
Sijthoff, Doezastraat 1B

See our conference map for all locations.

Session Rooms
All session rooms are equipped with a computer and projector. Delegates who would like to use PowerPoint should bring their presentation file to ICAS 11 on a USB flash drive. Please arrive in your session room 10 minutes prior to the start of the session to upload your presentation.

Registration Times and Locations

Monday 15 July / 15.00 – 18.00
Kamerlingh Onnes, Steenschuur 25

Tuesday 16 July / 8.00 – 15.45
Kamerlingh Onnes, Steenschuur 25
Lipsius, Cleveringaplaats 1

Wednesday 17 July / 8.00 – 17.30
Kamerlingh Onnes, Steenschuur 25
Lipsius, Cleveringaplaats 1

Thursday 18 July / 8.00 – 17.30
Kamerlingh Onnes, Steenschuur 25
Lipsius, Cleveringaplaats 1

Friday 19 July / 8.00 – 17.30
Kamerlingh Onnes, Steenschuur 25
Lipsius, Cleveringaplaats 1


Registration Badge
Your badge is your proof of registration. A registration badge is required to attend the panel sessions, opening ceremony and closing party. With your badge you will also have free access to, for example, the canal tour, the Hortus Botanicus, and other cultural events. Please note that for some cultural events registration is required, please check the Cultural Events for badge holders page for more details. Please wear this badge at all times when participating in ICAS 11 activities.

Badge Pick-Up
Pre-registered attendees should go directly to the Badge Pickup counters to collect the conference materials (badge, conference bag and conference programme).

On-site Registration
Attendees who have not yet paid the registration fee, should visit the on-site registration counter at the Kamerlingh Onnes during the regular registration hours. Please note that there will not be an onsite registration counter at the Lipsius.


Emergencies and First Aid Locations

Call 112 if you are in immediate need of the Dutch police, the fire brigade, or an ambulance. If you need to contact the police but it is not an emergency you can call 0900 8844.

First aid locations at ICAS 11 venues:
15 – 17 July, Oude Sterrewacht (Old Observatory) C1.05
16 – 19 July, Kamerlingh Onnes A0.01
16 – 19 July, Lipsius 0.01
16 – 19 July, Pieterskerkplein


Hortus Botanicus and Leiden University Libraries

Your ICAS 11 badge will give you free access to the Botanical Gardens, the Hortus Botanicus, at Rapenburg 73, and the Leiden University Libraries.

A Library Day pass (€10) should be purchased if you would like to use the reading room materials. Materials may be requested from the University Library’s stacks, for library use during service hours of the Reading Room Special Collections. For more information please visit the University Libraries website.


Mobile Phones and WiFi

As a courtesy to speakers and other delegates, we request that all mobile phones are switched to silent mode or off before entering sessions.

Free WiFi is available during the conference dates at the following locations:
15 – 17 July Oude Sterrewacht (Old Observatory)
15 – 19 July Lipsius and Kamerlingh Onnes
16 – 19 July Huizinga