The annual ITB Berlin trade show will take place 7-11 March, 2018.
From the ITB Berlin website:
The World’s Leading Travel Trade Show is a must-attend event for every international expert in the tourism industry.
This is where companies and organizations meet, as well as top decision-makers, experts, buyers and young professionals from every touristic area: Hotels, tourism organizations, tour operators, travel agencies, transport companies, booking portals, systems providers and all the others.
Price for trade visitors:
Daily pass – 42€ online in advance, 62€ onsite
5-Day pass – 60€ online in advance, 90€ onsite
You can register for ITB Berlin here.