what language do they speak in prague

The language spoken in Prague is Czech, which is the official language of the city and the Czech Republic. Czech is a West Slavic language closely related to Slovak and Polish. In Prague, the most commonly spoken form of Czech is "Common Czech," a widely used variety especially in the capital. Besides Czech, some other languages like Slovak, English, German, Russian, Ukrainian, and Vietnamese are also heard due to historical ties, migration, and tourism, but Czech is dominant and official.