Barcelona, officially the Municipality of Barcelona, is a 5th class municipality in the province of Sorsogon, Philippines. According to th…Barcelona, officially the Municipality of Barcelona, is a 5th class municipality in the province of Sorsogon, Philippines. According to the 2020 census, it has a population of 20,987 people. It is bounded by Gubat in the north, Bulusan in the south, Casiguran in the west and Philippine Sea in the east.