Nelson is a city located in the Selkirk Mountains on the West Arm of Kootenay Lake in the Southern Interior of British Columbia, Canada. Known as "The Queen City" and acknowledged for its impressive collection of restored heritage buildings from its glory days in a regional silver rush, Nelson is one of the three cities forming the commercial and population core of the West Kootenay region, the others being Castlegar and Trail. The city is the seat of the Regional District of Central Kootenay.