The venue is Hotel Panorama, Zagreb. Location:

Meeting participants are invited to book rooms through the hotel web-site using the booking code: MOBIEU2019

Rates & costs:
Room rates (night&breakfast)
SINGLE ROOM 1/1: 68,00 EUR per person and night
DOUBLE ROOM 2/1: 78,00 EUR per room and night
Extra for lunch and dinner: 15€/person/meal
Lunch for persons not accommodated in the hotel: 20€

From the airport to Hotel Panorama the taxi ride takes about 20-30 minutes (taxi fare: 15-25 Euros).
The airport shuttle bus takes you for 4 € to Zagreb Bus terminal. From there a tram line 3 in direction Ljubljanica takes you to the Trešnjevački trg stop.
From the main railway station (Zagreb - Glavni kolodvor) tram line 9 takes you to the same tram stop. From the tram stop it’s 5 min walk to the Hotel Panorama.

Tram tickets may be bought in kiosks and newsstands around the city: http://www.zet.hr/tickets-and-fares/paper-tickets/603

Taxi rides (1€/km or less) may be conveniently booked online (or via mobile apps):
http://ekotaxi.hr/en
https://cammeo.hr/en
https://radiotaxizagreb.com/en/