The capital city of Argentina is Buenos Aires. This vibrant city is located on the southeastern coast of South America and serves as the political, cultural, and economic hub of the country. Buenos Aires is renowned for its rich history, diverse architecture, and lively arts scene, including tango music and dance. The city's neighborhoods, such as Palermo and San Telmo, offer a unique blend of modern and traditional influences. With a population of over 3 million, Buenos Aires is one of the largest cities in Latin America, drawing millions of tourists each year to experience its dynamic atmosphere.