What is the most famous place in Slovakia?

Bratislava Castle is the most famous place in Slovakia. It is a national cultural monument and one of the most visited tourist attractions in the country. The castle is located on a hilltop overlooking the city of Bratislava and the Danube River. It was built in the 9th century and has been rebuilt and expanded several times over the centuries. The castle is home to several museums and galleries, including the Slovak National Museum and the Bratislava City Gallery. It is also a popular venue for concerts and other events.