Cordoba
About 1.5 million people.
Cordoba is the second biggest city in Argentina and sits right in the middle of the country. It is a lively student city with old churches and universities that are hundreds of years old.
You can explore the Jesuit Block, a group of old buildings that are a World Heritage Site, and visit one of the oldest universities in South America. Nearby green hills called the Sierras are perfect for hiking and splashing in rivers.
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History
Cordoba is nicknamed La Docta, meaning the learned city, because of its very old university founded way back in 1613.
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Nature
The Sierras de Cordoba mountains are close by, with rivers, waterfalls, and small towns where families go camping and swimming.