Baker Street tube station is a station on the London Underground at the junction of Baker Street and the Marylebone Road. The station lies in Travelcard Zone 1 and is served by five different lines. It is one of the original stations of the Metropolitan Railway (MR), the World's first underground railway, opened in 1863. On the Circle and Hammersmith & City lines it is between Great Portland Street and Edgware Road. On the Metropolitan line it is between Great Portland Street and Finchley Road. On the Bakerloo line it is between Regent's Park and Marylebone, and on the Jubilee line it is between Bond Street and St. John's Wood.
The station has entrances on Baker Street, Chiltern Street (ticket holders only) and Marylebone Road. Nearby attractions include Regent's Park, Lord's Cricket Ground, the Sherlock Holmes Museum and Madame Tussauds.