Semčice is a municipality and village in Mladá Boleslav District in the Central Bohemian Region of the Czech Republic.

The Vlkava River flows through the southern part of the municipality.

[3] Until the 17th century, it was a small estate owned by various less important noble families.

After the Battle of White Mountain in 1620, Semčice was acquired by the Waldstein family and annexed to the Dobrovice estate.

It was built in the Baroque style in the mid-18th century, according to the design by František Ignác Prée.