The biggest guitar in the world stays inside a university in Texas, in the United States. It is 43 feet long (13 metres) and 16 feet wide (almost 5 metres). It weighs 2,255 pounds (1,022 kilograms).
The guitar is very big, but people can play it. It is part of a museum only about guitars.
They made the guitar in 2004 and in the same year it became part of the Guinness Book.