This is the 651st most frequent Latvian word.
maskavas
"Maskavas" in Latvian means "of Moscow" or "Moscow's" (possessive form).
The word 'Maskavas' here is used as a genitive attribute in a compound noun, denoting 'of Moscow' in 'Moscow Street'.
Maskavas iela ir Rīgā.
The Moscow Street is in Riga.
In this sentence, 'Maskavas' acts as an adjective modifying 'komanda', specifying that the team is from Moscow.
Maskavas komanda uzvarēja sacensībās.
The Moscow team won the competition.
Here, 'Maskavas' is possessive, describing whose architecture the guide is about - specifically, it refers to Moscow's architecture.