To get from Barcelona to Sitges you can on the suburban train R2. To get to your destination without a transfer, you will need to take a suburban train in Barcelona at one of the following stations:

• Barcelona-Sants is the central railway station from which both electric trains and long-distance trains depart. It is located in the Sants area.
• Barcelona-Estació de França, located on Avenida Marqués de l'Argentera Avenue, 1, at the junction of La Barceloneta and La Ribera (also known as the El Born district) near the Ciutadella Park. You can get to it by metro on the L4 branch.
• Barcelona-Passeig de Gràcia, at the intersection of Carrer d'Aragó and Passeig de Gracia, 43 - 51, in the Eixample area. This is followed by metro lines L2, L3 and L4.