Dear locators, *DEADLINE: Friday, February 8, 2019* EURO 2019 in Dublin 30th European Conference on Operational Research (EURO 30th), Dublin, Ireland, June 23-26, 2019, www.euro2019dublin.com<http://www.euro2019dublin.com/> Fourth CALL FOR PAPERS ======================== We have the great pleasure of inviting you to take part in the 30th EURO Conference to be held in Dublin, Ireland on 23-26 June, 2019. The Program and Organization Committees, chaired by Luis Gouveia and Seán McGarraghy, along with Cathal MacSwiney Brugha, are preparing a high-quality scientific program and an exciting social program for the Conference. One stream dedicated to "Locational Analysis and Optimization" is managed by the EWGLA coordination board. We strongly encourage you to participate in this stream. The stream currently includes 6 thematic sessions listed below. Moreover, we set up a general session Location (unsorted) (code: 6f632202), for all other location related abstracts. We are looking forward to seing your in Dublin. Olivier Péton *Name* *Code* Facility location <https://www.euro-online.org/conf/euro30/edit_session?sessid=47> 9050d038 Hub Location <https://www.euro-online.org/conf/euro30/edit_session?sessid=48> 1f7e0689 Facility location in supply chains <https://www.euro-online.org/conf/euro30/edit_session?sessid=49> d2484108 Facility location in transportation networks <https://www.euro-online.org/conf/euro30/edit_session?sessid=50> 0b2af7d7 Facility location and sustainability <https://www.euro-online.org/conf/euro30/edit_session?sessid=51> 9551cb25 Location in the Public Sector and Humanitarian Logistics <https://www.euro-online.org/conf/euro30/edit_session?sessid=52> 3d000a25 -- IMT Atlantique <http://www.imt-atlantique.fr> *Olivier PÉTON* Professeur +33 251 85 83 13 olivier.peton@imt-atlantique.fr 4 rue Alfred Kastler 44307 Nantes Cedex 3 Site web IMT Atlantique <http://www.imt-atlantique.fr>Twitter IMT Atlantique <https://twitter.com/IMTAtlantique>Facebook IMT Atlantique <https://www.facebook.com/IMTAtlantique>Google+ IMT Atlantique <https://plus.google.com/109356934816329928502>LinkedIn IMT Atlantique <https://www.linkedin.com/company/imt-france>Blog IMT Atlantique <http://blogrecherche.wp.imt.fr> Une école de l'IMT <https://www.imt.fr>