Luján is a city located in the Northeast of the Argentinian province of Buenos Aires, located about 70 kilometres Northwest of the city of Buenos Aires.
The first Europeans settled in what would become the city of Luján in 1605.
Luján is home to the a church called the Basilica of Our Lady of Luján. Every year approximately six million people make pilgrimages to the basilica, even walking 67 miles from Buenos Aires to do so.
Luján gets its name from the Luján River. The river is named after Pedro de Luján, one of the conquistadors that took part in the first founding of Buenos Aires in 1536, who died from battle wounds. He is the nephew of Pedro de Mendoza, the leader of the conquistadors.