Schipholweg 103, Leiden
The location is at 8 min. walking distance from Leiden Centraal train station. Just directly turn left if you leave the station hall (Starbucks side), this is the Schipholweg. Walk on Schipholweg until you come to the end of the street (crossing) and you'll see a corner building on the right side of the street. You can download a map here.
The class location is good accessible by car from A4, A44 and N206 with free parking on visitors parking lot behind the building (access via Parmentierweg).
The classroom is located on the 4th floor.