Slapy and Štěchovice reservoirs, built on the Vltava River, form the western boundary of the district. The largest body of water is Švihov Reservoir, built on the Želivka. It is one of the largest reservoirs in the country. Blaník is the only protected landscape area in the district, covering the surrounding area of the eponymous mountain. Demographics Most populated municipalities Economy The largest employers with its headquarters in Benešov District and at least 500 employers are: Transport The D1 motorway from Prague to Brno passes through the northern and eastern part of the district. The European route E55 separates from it, which passes across the district and continues as D3 motorway in its south. Sights The most important monuments in the district, protected as national cultural monuments, are: Sázava Monastery Konopiště Castle Český Šternberk Castle The best-preserved settlement, which is the only one protected as a monument zone, is Načeradec. The most visited tourist destination is the Konopiště Castle. References External links Benešov District profile on the Czech Statistical Office's website Districts of the Czech Republic