The 11th Patras Workshop on Axions, WIMPs, and WISPs was held in Zaragoza (organized by UNIZAR) from May 22 to 26, 2015. One of its sessions was held at the LSC facilities and included a visit to the underground facilities on the agenda. This workshop continued its rich series of meetings, reviewing the latest theoretical advances, laboratory experiments, and results in astrophysics and cosmology related to axions, WIMPs, and WISPs.
