We meet outside the Hard Rock Cafe in front of Plaza Cataluña. The guide will be carrying a green umbrella. Metro lines L1 and L3 will drop you off there as well as FGC train and rail connections.
Square located in the center of the gothic quarter 3 minutes away from Via Laietana where you will find the Jaume I metro station (L4) line and 5 minutes away from Las Ramblas and Liceu metro station (L3). You can also take a cab in any of the two avenues including the same square.