Grimsta Nature Reserve, is a nature reserve in Västerort, in the municipality of Stockholm, Sweden. Grimsta Nature Reserve is surrounded by Södra Ängby, Blackeberg, Grimsta, Hässelby and Lake Mälaren.

Stockholm is the capital and most populous city of Sweden, as well as the largest urban area in the Nordic countries. Approximately 1 million people live in the municipality, with 1.6 million in the u