Ch'an Center Affiliates
List of all worldwide Ch'an groups affiliated with Dharma Drum Mountain, in the Lin-Chi (Rinzai) lineage.
http://www.chan1.org/alinks.html

Soto Zen Centers Worldwide
List of all Soto centers outside Japan, from the official Sotoshu website.
http://www.sotozen-net.or.jp/kokusai/e_jiin.htm

Association Zen Internationale Dojo List
List of the dojos of the Kosen Sangha, with location and contact details.
http://www.zen-deshimaru.com/EN/sangha/dojo-list.html

Zen Centers of the World
Most complete listing of Zen Centers on the Web.
http://iriz.hanazono.ac.jp/zen_centers/country_list_e.html