GDG DevFest Season 2017 - Coimbra (PT), 2017-12-09
Quoting:
"The biggest Google tech conference in Portugal: All about Android, Web, Cloud and Security from the world experts"
Additional info:
Day 1 agenda: https://devfest.gdgcoimbra.xyz/schedule/day1
About the Google Developers Group (Coimbra city): http://gdgcoimbra.xyz/