Sant Joan Despí is a municipality located in the province of Barcelona, Catalonia, Spain. It is situated just southwest of the city of Barcelona and is part of the metropolitan area. The town is known for its residential neighborhoods, parks, and local amenities, making it a popular place for families. The area has a rich history, with origins dating back to the Roman period. Notable landmarks include the Church of Sant Joan Baptista and the Can Negre house, which showcases modernist architecture. The town also hosts various cultural events throughout the year, reflecting its vibrant community spirit.