The next neighborhood to explore is San Nicolás. Locals consider it to be the heart of City Centre (El Centro). This district comprises the main shopping area and financial center plus many restaurants, entertainment and cultural options. Your first stop headed back east is the Palace of Justice at Plaza Lavalle. The eight floors of this Neoclassical structure have contained the Supreme Court of Argentina plus the country’s lower courts since opening in 1910. Guided tours are available with prior registration. It is well worth the visit.