Location
The International Workshop on Astronomical X-Ray Optics will take place in Vila Lanna.
Vila Lanna is a neo-renaissance building from 1913, protected by the Government Heritage Fund, located in a private garden. Since 1957, it belongs to the Academy of Sciences of the Czech Republic. Reconstructed to serve as a unique accommodation facility for guests of the Academy and to host small-size meetings.
How to reach the Academy residence Vila Lanna
From the airport to Vila Lanna we suggest to take bus no. 119 and to get off at Dejvicka, then take metro from Dejvicka to Hradčanska. From Hradčanska it is 500m to Vila Lanna. See the map below. You will need 26Kc ticket.

If you travel by train, you can arrive to main station or station Holešovice. Both stations are on red metro line (C), we suggest to go to Museum metro station and to change to the green line (A) and to get off at Hradčanska. From Hradčanska it is 500m to Vila Lanna. See the map below. You will need 26Kc ticket.
Here is Prague metro map #link.
How to reach pension Marna
We suggest to go to Dejvicka (metro A or 119 bus from airport) and walk approx 20 min. You can follow directions on the map below.
Prague Public Transport
For transport in Prague you can use metro, trams and buses. You need to buy a ticket and mark it before using vehicle. There are any ticket machines on each stop, but you need coins. If you don`t have coins, you can buy a ticket in kiosks. More informations are here: http://www.dpp.cz/en/fares/