Which university is located in Madison, Wisconsin?

The correct answer is the University of Wisconsin, which is situated in Madison, Wisconsin. This institution is part of the University of Wisconsin System and is known for its strong academic programs, vibrant campus life, and significant research contributions. Madison serves as the state capital and is recognized for its cultural events, recreational activities, and engaging community.

The other universities listed are located in different states: Michigan State University is in East Lansing, Michigan; Ohio State University is in Columbus, Ohio; and Penn State University is located in University Park, Pennsylvania. Each of these institutions has its own distinct location and regional significance, separate from that of the University of Wisconsin in Madison.