(UK) University of Cambridge  
   The Nonlinear Centre: a research group in Dynamical Systems and related aspects of Nonlinear Science. Based in the Department of Applied Mathematics and Theoretical Physics (DAMTP) and the Statistical Laboratory.
   http://www.damtp.cam.ac.uk/user/nlc/

(USA) Penn State  
   Center for Dynamical Systems. Meetings, members, publications.
   http://www.math.psu.edu/dynsys/

(USA) Georgia Tech  
   The Center for Dynamical Systems and Nonlinear Studies was established in September 1988 to strengthen the existing research activities in the School of Mathematics with special focus on dynamical systems, differential equations, nonlinear analysis, and a
   http://www.math.gatech.edu/cdsns/

(UK) University of Leeds  
   Centre For Nonlinear Studies. Research collaborations between mathematicians, scientists and engineers with a common interest in nonlinear dynamics and its applications. Meetings, publications and resources.
   http://www.amsta.leeds.ac.uk/cnls/

(UK) University of York  
   Networks and Nonlinear Dynamics Group, Department of Mathematics. Control, prediction and optimisation of complex systems. Systems looked at include road traffic, telecoms traffic and production data from noisy real-world industrial processes.
   http://gridlock.york.ac.uk/

(Japan) University of Kyoto  
   Department of Applied Analysis and Complex Dynamical Systems. Macroscopic phenomena of complex systems consisting of microscopic elements, mostly via nonlinear, large-scale interactions.
   http://www.acs.i.kyoto-u.ac.jp/index-e.html

(UK) TUXEDO  
   The UK Spatially Extended Dynamics Organisation. An inter-university research collaboration meeting several times a year.
   http://www.maths.warwick.ac.uk/~mackay/tuxedo.html

(UK) University of London, University College  
   Centre for Nonlinear Dynamics and its Applications. People, current research areas, meetings, publications, links.
   http://www.ucl.ac.uk/CNDA/

(Germany) University of Munich  
   Nonlinear Dynamics Group. Group information and publications.
   http://www.nonlin.tu-muenchen.de/chaos/chaos_e.html

(UK) University of Liverpool  
   Dynamical Systems research group: members, research topics.
   http://www.liv.ac.uk/PureMaths/MIN_SET/CONTENT/RESEARCH_GROUPS/dynam.html

(USA) Brown University  
   Lefschetz Center for Dynamical Systems. Members, research interests, publications, software, meetings, resources.
   http://www.dam.brown.edu/lcds/

(UK) University of Bath  
   The Centre for Nonlinear Mechanics: an interdisciplinary research centre combining many aspects from engineering and pure science in the modelling of practical nonlinear systems.
   http://www.bath.ac.uk/cnm/centre.shtml

(France) Institut de Mathématiques de Luminy  
   Dynamics, Arithmetic, Combinatorics. Site in French and English.
   http://iml.univ-mrs.fr:80/dac/welcome.html

(USA) Montana State University  
   DynaChat: dynamics seminar. Past and future speakers.
   http://www.math.montana.edu/%7Ejarek/dynachat.html

(France) Université de Paris-Sud, Orsay  
   Topology and Dynamical Systems research group. Members, seminars, theses.
   http://topo.math.u-psud.fr/index-eng.html

(Germany) Free University Berlin  
   Nonlinear Dynamics research group. Members, projects, publications, meetings, links.
   http://dynamics.mi.fu-berlin.de/

(Netherlands) Rijksuniversiteit Groningen  
   Dynamical Systems programme. Activities, courses, members, meetings, projects, jobs.
   http://www.math.rug.nl/Research/Dynsys/

(Spain) Barcelona UB-UPC  
   Universitat de Barcelona (UB) and Universitat Politècnica de Catalunya (UPC) joint Dynamical Systems Group. Meetings, publications.
   http://www.maia.ub.es/dsg/

(Spain) Universitat Autònoma de Barcelona  
   Grup de Sistemes Dinàmics. Members, publications, seminars, resources.
   http://www.gsd.uab.es/

(UK) Queen Mary, University of London  
   Dynamical Systems group. Research projects, members, publications, seminars and resources.
   http://www.maths.qmul.ac.uk/MRC/dynsys/

(UK) University of Manchester  
   Dynamical Systems Seminar schedule.
   http://www.ma.man.ac.uk/~cwalkden/seminar.html

(USA) Cornell University  
   Dynamics at Cornell: projects, software, theses.
   http://www.math.cornell.edu/~dynamics/