Lago Argentino is not a city, but rather a large lake located in the Santa Cruz Province of Argentina. It is the largest freshwater lake in the country and covers an area of about 1,415 square kilometers. The lake is a popular tourist destination due to its stunning natural beauty and proximity to the famous Perito Moreno Glacier. The closest city to Lago Argentino is El Calafate, which serves as a gateway for visitors to explore the lake and surrounding area.