Argentina is a diverse and geographically expansive country, and its linguistic landscape reflects this diversity. The primary language spoken in Argentina is Spanish, and the country is home to several regional varieties of the Spanish language. Here's an overview of the language spoken in Argentina and its various varieties:

Rioplatense Spanish: The most prominent and widely recognized variety of Spanish in Argentina is Rioplatense Spanish. It is centered around the Río de la Plata region, which includes Buenos Aires, the capital of Argentina, and Montevideo, the capital of Uruguay. Rioplatense Spanish is known for its unique pronunciation, vocabulary, and usage, which includes the distinct pronunciation of "ll" and "y" as a "sh" or "zh" sound, as well as the use of the informal second person singular "vos" form instead of "tú."

Cordobés Spanish: In the province of Córdoba, located in central Argentina, there is a regional variety of Spanish known as "Cordobés Spanish." It has some distinct vocabulary and pronunciation features, which differ from the Rioplatense variety.

Cuyano Spanish: In the Cuyo region of Argentina, encompassing provinces like Mendoza and San Juan, Cuyano Spanish is spoken. This variety has influences from the indigenous Mapuche language and can differ in pronunciation and vocabulary from Rioplatense Spanish.

Northwestern Spanish: In the northwestern provinces of Argentina, including Salta, Jujuy, and Tucumán, you'll find a variety of Spanish influenced by indigenous languages and characterized by distinct vocabulary and pronunciation.

Patagonian Spanish: In the southern region of Patagonia, Spanish speakers have their own regional characteristics, influenced by the harsh environmental conditions and the presence of indigenous languages. This variety may have vocabulary and pronunciation distinctions.

Italian and Other Influences: Argentina has a significant history of immigration, particularly from Italy and other European countries. As a result, the Spanish spoken in Argentina may include loanwords and phrases from Italian, as well as other European languages. This influence can be more pronounced in some regions, especially in larger cities with significant immigrant populations.

Lunfardo: Lunfardo is a unique slang or jargon used in various regions of Argentina, with its origins in Buenos Aires. It incorporates elements of Italian, Spanish, and other languages and is often found in tango lyrics and informal speech.

Indigenous Languages: Argentina is home to numerous indigenous languages, such as Quechua, Mapuche, and Guarani. In regions with a significant indigenous population, these languages may influence the local Spanish dialects.

In summary, Argentina's linguistic diversity is reflected in its regional varieties of Spanish. Each region has its own unique characteristics, influenced by the local culture, history, and immigration patterns. Rioplatense Spanish, with its distinct pronunciation, is the most well-known variety and is often associated with Buenos Aires. However, exploring the linguistic richness of Argentina reveals a fascinating tapestry of dialects and linguistic influences across this vast and diverse country.