Getting to Rosslyn: There are many ways to get into Rosslyn via car, Metro, Metrobus, etc. You can find more information here.
Address: Hyatt Centric Arlington, Senate Ballroom 1325 Wilson Blvd, Arlington, VA 22209
Parking
There is free outdoor parking (Atlantic Public Parking) behind Hyatt Centric Arlington between N Nash Street and Fort Myer Drive (1820 Fort Myer Dr, Arlington, VA 22209). There is also free street parking along Hyatt Centric Arlington on N Nash Street and Wilson Boulevard. There is also garage parking at Hyatt Centric Arlington for $16 for up to 3 hours.