Final answer:
Austria is the country with cities such as Graz, Linz, Salzburg, and Innsbruck, celebrated for its cultural heritage, baroque architecture, and Alpine ranges.
Step-by-step explanation:
The country that has Graz, Linz, Salzburg, and Innsbruck is Austria. Austria is well known for its rich cultural heritage, particularly in music and the arts, due to the patronage of the Habsburgs. The capital, Vienna, is famous for its baroque architecture, as well as being a center of music and theater.
Alongside Vienna, cities like Salzburg and Innsbruck are also renowned; Salzburg is the setting for the movie The Sound of Music. Austria is larger than Switzerland and has a similar area size to South Carolina in the United States. It is home to various Alpine ranges, with the country's highest peak measuring 12,457 feet.