Plzeňské předměstí forms western part of Rokycany. It started in medieval era as a small cluster of rural houses adjoining Rokycany's historical core. In early 17th century Protestant church Nejsvětější Trojice was built here, soon after taken by Catholics. In 19th century Plzeňské předměstí quickly grew along the road to Plzeň (Plzeňská ulice), mainly industrial development was later accompanied by residential houses. In 1920s massive housing project started on Rokycany's southern outskirts. The new neighbourhood was later called "Rašínov" (Alois Rašín was finance minister of Czechoslovakia, assassinated in 1923). In consists solely of private houses in art-deco style. In 1930's another neighborhood was inaugurated in the western periphery, called "Za Rakováčkem". It also features almost exclusively private residential houses.