Premise: Moscow is the capital and most populous city of Russia , with 13.2 million residents within the city limits and 17.8 million within the urban area . By broader definitions Moscow is among the world 's largest cities , being the 14th largest metro area , the 18th largest agglomeration , the 15th largest urban area , and the 11th largest by population within city limits worldwide . Moscow is the northernmost and coldest megacity and metropolis on Earth . The Moscow Kremlin and Red Square are also one of several World Heritage Sites in the city .
Hypothesis: Moscow is designated as a city.
Label: ENTAILMENT