Map of the historical Czech regions Bohemia, Moravia and Silesia and the actual division in krajs.
Own work, recreation of CZ Cechy Morava kraje.gif using:

Ceska republika - Historicke zeme a soucasne kraje.png and
Czechia - outline map.svg
Ceska republika - Historicke zeme a soucasne kraje.png: Kirk
Czechia - outline map.svg: Caroig
derivative work: Master Uegly