31378
The governorates were also abolished , and the district was a part of Leningrad Okrug of Leningrad Oblast .
 Leningrad, Leningrad Oblast
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Leningrad, Leningrad Oblast