In December 2006 Arriva purchased Transcentrum Bus, operating services in Mladá Boleslav District of the Central Bohemian Region, north east of Prague. In January 2007 Arriva acquired Bosák Bus, which operates to the south west of Prague and the Příbram District of the Central Bohemian Region. In November 2007 Arriva acquired Osnado, which operates bus and coach services in the north of Hradec Králové Region in East Bohemia, in the foothills of Krkonoše mountains. The three bus companies retain their original names but with the Arriva corporate logo and livery. At the turn of 2014/2015, Bosák Bus s.r.o. was merged with Transcentrum Bus s.r.o. and Transcentrum Bus s.r.o. renamed to Arriva Střední Čechy s.r.o.