VISAS
What is a C-type visa?
The Uniform Schengen Visa is valid in the Schengen Area and permits its holder to remain in the territory of all of the Schengen Area Member Countries for a maximum of 90 days during a 180-day period.
Schengen Visa with limited territorial validity is valid in the territory of one or more Schengen Area Member States, but not in all the Schengen Area Member States and permits its holder to remain in their territories for a maximum of 90 days during a 180-day period.
You can find out more on this website: https://www.poland.travel/en