Information about Tucumán:

The City of San Miguel de Tucumán is the capital of the Province of Tucumán, it is also known as "El Jardín de la República" (Garden of the Republic).

Although as an Argentinian province it may seem small in terms of size, the city is the 5th most populated in the country, with more than 600,000 inhabitants. The province of Tucuman is located in Northeast Argentina, and the city, at the same time, is located in the center of the province.

Despite being a relatively small province, the city has several tourist attractions, some of the most visited are: Parque Sierra de San Javier, Casa de Gobierno de Tucumán, Parque 9 de Julio, Casa Histórica de Tucumán and Basílica de Nuestra Señora de la Merced, among some other landmarks.

As a curious fact, the City of Tucuman is called the Garden of the Republic because of the abundant vegetation of the city and the region, due to the climate of Tucuman (high humidity and precipitations).

Information about Buenos Aires, Retiro:

The Province of Buenos Aires is one of the twenty-three provinces of Argentina, and it is located in the central-western region of the country. The City of Buenos Aires is the capital of the country, and at the same time the capital city of the Province of Buenos Aires, is the city of La Plata. It should be noted that the City of Buenos Aires, is the city that receives the largest number of visitors in the country, by a major difference, and also the most populated. There's more than 15 million inhabitants, this, in terms of percentages, represents 40% of the country's population.

Most of the population and tourism are concentrated in the urban core of the Autonomous City of Buenos Aires, also known as CABA or Bs. As. Another interesting fact about Buenos Aires, is that it's the third most populated city of Latin America, with more than 15 million inhabitants, only behind Mexico City and São Paulo (Brazil).

Some of the most popular and most visited points and touristic attractions of the City of Buenos Aires are: Catedral Metropolitana, Basílica del Santísimo Sacramento, Teatro Colón, Bosques de Palermo, MALBA, neighbourhoods such as Palermo and Recoleta, the Avenida (avenue) 9 de Julio (where the iconic Obelisco is located) and the Parque 3 de Febrero, among others local landmarks.

The Retiro Bus Terminal, during high season, is estimated to receive around 2,000 buses daily, both from destinations within the country, and from international destinations.