Śródmieście (literally Mid-City) is the central borough of the city of Warsaw. The area is home to the most important national and municipal offices, many businesses, higher learning institutions (including Warsaw University, Warsaw University of Technology and Medical Academy) and theatres. It is also home to most of the tourist attractions in Warsaw, including the tallest building in Warsaw (234 m), the most narrow street (5,3 m), the oldest university (est. 1809), the oldest public park (opened 1772), the oldest lay monument (1644) and the oldest historical building (13th century).