Here you have the metro map http://www.disfrutamadrid.com/fotos/plano-metro-madrid.png
The station of the venue is San-Fermin Orcasur.
The center of the city its around Sol
We recommend you to buy a ticket that its called METROBUS is the cheapest option its a 10 ticket trips. You can use it for the metro and bus.
-Some other information about the Metro and bus, the last metro is at 1:30 from the first station. And it open at 6óclock in the morning.
-You have night buses all nigth long, and if its Friday or Saturday, you have also some special buses that realize the same road as the metro lines, the name is buho metro. You can recognize them in the bus stations with an "L", if you want to go to line 3, you have to catch the buhometro L3.