Býkev is located in the Mělník District, Central Bohemian Region. The town lies about five kilometers west of Mělník. As of 2011, there were 401 inhabitants.
The first written mention of Býkev dates back to 1392.
The history of territorial integration includes the period of time from 1850 to the present.
The chronological overview shows the territorial administrative jurisdiction of the municipality in the year when the change occurred.
1850 Czech Area, Prague region, Mělník District
1855 Czech Area, Prague Region, Mělník District
1868 Czech Area, Prague Region, political and judicial district of Mělník
1939 Czech Area, Oberlandrat Mělník, political and judicial district of Mělník
1942 Czech Area, Oberlandrat Prague, the political and judicial district of Mělník
1945 Czech Area, administrative and judicial district of Mělník
1949 Prague Region, Mělník District
1960 Central Bohemian Region, Mělník District
2003 Středočeský kraj, Mělník District, municipality with extended competence Mělník
In 1932, the trades and shops in Býkev (with 256 inhabitants at the time) were recorded.2 inns, basketry, 2 blacksmiths, 5 farmers, 2 grocery stores, a butcher shop, the Lobkowitz landmark, and a gardenerIn the village of Jenišovice (140 inhabitants, a separate village that became part of Býkev), the following trades and shops were also recorded in 1932:A pub, blacksmith, the municipal basalt quarry, milk shop, 2 shoemakers, fruit store, a knacker, roofer, butcher, 2 grocery stores, a tobacco shop, and a carpenter.
The interstate I/16 Řevničov - Slaný - Býkev - Mělník - Mladá Boleslav passes through the built up part of the village.
Though there is no railway in the main part of Býkev, on the outskirts of the village, there is the railway line 090 in the Kralupy nad Vltavou - Roudnice nad Labem section.
The closest to the village is the railway station Vraňany at a distance of 3.5 km, located on the corridor line 090 from Prague to Ústí nad Labem.
The Mělník-Spomyšl-Kralupy nad Vltavou bus service was running through the municipalities of the Mělník District, including Býkev.