Varaždin Generalate was a province that was part of the Kingdom that had what city as its capital?
Varaždin Generalate: The Varaždin Generalate (German: "Warasdiner Generalat" , Croatian: "Varaždinski generalat" ), also known as the "Windische Grenze" ("Wendian/Wendish [Slavic] Border") in German, was a Habsburg Monarchy Military Frontier province centred in Warasdin (Varaždin), Kingdom of Croatia within Habsburg Monarchy, that existed between 1531 and the 18th century. Kingdom of Croatia (Habsburg):  Its capital was Zagreb.
Zagreb