52905
Half of the municipality or 50.2 " km , all of it located on the municipal edge is made up of the ten least densely populated neighbourhoods containing less than 10 % of the city 's population , the uninhabited Zona Franca industrial area and Montjuïc forest park .
 Zona Franca, Montjuïc
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Zona Franca, Montjuïc