Föreningen Gamla Halmstad is a non-profit organization dedicated to documenting and preserving the history of old Halmstad. The organization engages in various activities that promote local heritage, including city model exhibitions that visually represent historical aspects of the area. Additionally, Föreningen Gamla Halmstad hosts cultural events at the local castle, providing a venue for community engagement and education about the town's past.
The organization publishes an annual book that contributes to the understanding of Halmstad's history, including insights into the local orchestra's history and significant historical findings from Norre Port prior to 1975. Supported by the Cultural Committee of Halmstad, Föreningen Gamla Halmstad actively involves the community through memorable annual meetings and highlights ongoing archaeological discoveries in the town square, fostering a deeper appreciation for the region's cultural and historical significance.