This is the 599th most frequent Czech word.
moskva
The Czech word "Moskva" translates to "Moscow," the capital city of Russia.
In this sentence, 'Moskva' is a proper noun used as a subject, referring to the city of Moscow.
Moskva je hlavním městem Ruska.
Moscow is the capital city of Russia.
Here 'Moskva' appears as 'Moskvy', the genitive case, indicating motion into the city.
Pojedu do Moskvy příští měsíc.
I will travel to Moscow next month.
In this example, 'Moskva' becomes 'Moskvě', the locative case, indicating the topic of discussion.