叙斯迈是芬兰的城镇，位于该国南部，由派亚特海梅区负责管辖，始建于1442年，面积936平方公里，2013年人口4,263，人口密度为每平方公里6.39人。

• Municipality of Sysmä – Official website
• Sysmä’s Prehistory

Sysmä is a municipality of Finland. It is situated in Southern Finland and is part of the Päijänne Tavastia region. The municipality has a population of 4,015 (31 March 2016) and covers an area of 936.18 square kilometres (361.46 sq mi) of which 269.14 km (103.92 sq mi) is water. The population density is 6.02 inhabitants per square kilometre (15.6/sq mi). Neighbouring municipalities: Asikkala, Hartola, Heinola, Kuhmoinen, Luhanka, and Padasjoki. The municipality is unilingually Finnish.