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The North Euboean Gulf is about 50 miles ( 80 km ) long and up to 15 miles ( 24 km ) wide , and the South Euboean Gulf is about 30 miles ( 48 km ) long , with a maximum width of 9 miles ( 14 km ) .
 North Euboean Gulf, South Euboean Gulf
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:
 North Euboean Gulf, South Euboean Gulf