Jenštejn (German: Jenstein) is a village and municipality in Prague-East District in the Central Bohemian Region of the Czech Republic. It lies about sixteen kilometers north-east from downtown Prague and seven kilometers south-west of Brandýs nad Labem-Stará Boleslav. It borders the villages of Podolanka (west), Dřevčice (north), Svémyslice (east) and Radonice (south).