Her Majesty's Theatre is located on the western side of the Haymarket, between Charles II Street and Pall Mall. The nearest tube station is Piccadilly Circus.
Directions to Her Majesty's Theatre from Piccadilly Circus Tube Station: Take the Bakerloo or Piccadilly Tube Line to Piccadilly Circus and on reaching the ticket hall level at the top of the escalators, head into the 'Exit 4 - Trocadero / Shaftesbury Avenue' subway and keep to the left following the signs to 'Haymarket and Eros' (which bends around to your right). On reaching street level via the steps, turn sharp left back on yourself going past the Criterion Theatre and walk on for around 30 metres and take the first right at the galloping horses water feature into the Haymarket. Continue walking and cross over Jermyn Street, St James's Market and Norris Street. Her Majesty's Theatre is on the corner of the next street, Charles II Street. In total a distance of just under 300 metres, approximately a 6 minute walk once you have left the tube station.