Situated in Hertfordshire in North West London, Watford is the municipal town of Watford borough along the Thames tributary River Colne. Historically a place of industry along the Grand Junction Canal, several major companies still base their headquarters in the town's commercial district, including Ralph Lauren UK, the Hilton regional office and JD wetherspoon. Watford Junction station provides plenty of network rail links towards London city centre and the home counties, and the surrounding parks, nature reserves and schools for children of all ages make Watford a popular destination for families moving to the area. There is also a range of tourist attractions in Watford including 3 theatres, museums and major parks in addition to 92 nationally listed buildings. In terms of transport Watford is also well connected with local transport for London underground tube and bus links, 3 main railway stations towards Euston, Milton Keynes and the Midlands, and an hour away from Heathrow airport by bus, which operates on weekdays.