The David H. Koch Theater at the Lincoln Center in New York City and the Vienna State Opera have some of the world’s most impressive stages, but the title of the largest stage generally goes to the Grand Theatre in Warsaw, Poland. It’s recognized by the Guinness World Records as having the largest theatre stage in the world, covering about 1,115 square meters (12,000 square feet). This massive space allows for large-scale operas, ballets, and theatrical productions with elaborate sets and numerous performers.