121521
In the 15th " century the nearby town of Portsmouth some away grew to become a significant economic centre and an important port .
 Portsmouth
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:
 Portsmouth