Dear Locators, The deadline for EURO Valencia's abstract submission has been extended to 19 March 2018. Please, take this opportunity to contribute to the stream "Location Analysis and Optimization" and contribute to this exciting scientific event. There are three sessions already organized: *Name* *Code* Facility Location <https://www.euro-online.org/conf/euro29/edit_session?sessid=480> 211289a2 Hub Location <https://www.euro-online.org/conf/euro29/edit_session?sessid=481> 0dc4f8df Supply Chain and Facility Location <https://www.euro-online.org/conf/euro29/edit_session?sessid=483> 3d78bf29 It is also possible to organize your own session. If interested, please, contact the EWGLA board at ewgla-board@euro-online.org as soon as possible. Abstract submission should be done through the online system at https://www.euro-online.org/conf/euro29/ Best regards, Joerg, Olivier and Sergio EWGLA Board The University of Edinburgh is a charitable body, registered in Scotland, with registration number SC005336.