Simplify the following text for a Grade 9 native English-speaking person.
Original: The Circuit de Catalunya should not be confused with the MontjuÃ c circuit , which hosted the Spanish Grand Prix four times between 1969 and 1975 and , unlike the Circuit de Catalunya , is actually located within the city of Barcelona .
Simplified: The Circuit de Catalunya should not be confused with the MontjuÃ c circuit , which hosted the Spanish Grand Prix four times between 1969 and 1975 . Unlike the Circuit de Catalunya , MontjuÃ c circuit is actually located within the city of Barcelona .