Beskydy Protected Landscape Area is the largest PLA in the Czech Republic. The area is 1,160 km2.
Wikipedia https://en.wikipedia.org/wiki/Beskydy_Protected_Landscape_Area
Official website http://beskydy.ochranaprirody.cz/en/
Address (Unnamed Road), 75661, Czech Republic
Coordinates 49°26'50.322" N 18°19'34.971" E