Calella is a municipality located in the Maresme region of Spain, located 50 km from Barcelona, 50 km from Girona, and 6 km from the Montn…Calella is a municipality located in the Maresme region of Spain, located 50 km from Barcelona, 50 km from Girona, and 6 km from the Montnegre-Corredor Natural Park. It has a Mediterranean climate, and is known for its beaches, which span about 3 km.