The administrative district of Prague 21 is also known as Ûjezd nad Lesy, and includes the neighbourhoods of Běchovice, Klánovice, and Koloděje.

Many of the houses here face the national highway from Prague to Cologne. The community has a pool, a firehouse, a post office, a town school, a post office, and two theatrical circles. Sites of interest in Prague 21 include the forest of Fidrholci and the railway station of Jirny-Klánovice.