Комаром-Эстергом
Following the provisions of the First Vienna Award, the Czechoslovak part became again part of Hungary in November 1938. The old Esztergom county was recreated. After World War II, the Trianon borders were reestablished and Komárom-Esztergom County was recreated again. In 1950, it was renamed to Komárom county and received some additional territories. This county was eventually was renamed to Komárom-Esztergom county again in 1990. The part of the county north of the river Danube is now in Slovakia and is part of the Nitra region.