Where is the famous painting Madonna and child located now?

The famous painting "Madonna and Child," created by various artists throughout history, can refer to different works. One of the most renowned versions is by Giovanni Bellini, which is housed in the National Gallery in London. Another famous version is by Michelangelo, located in the Museum of San Salvatore in Florence, Italy. If you have a specific artist or version in mind, please clarify for more precise information.