Vlašim is a town in Benešov District in the Central Bohemian Region of the Czech Republic. It has about 11,000 inhabitants. Vlašim is known for …Vlašim is a town in Benešov District in the Central Bohemian Region of the Czech Republic. It has about 11,000 inhabitants. Vlašim is known for the Vlašim Castle and its English park. The name is derived from the personal name Vlašim, meaning "Vlašim's ".