Dragsfjärd is a municipality of Finland. It is located in the province of Western Finland and is part of the Finland Proper region. The municipality has a population of 3,378 (2004-12-31) and covers an area of 274.95 km² of which 8.17 km² is water. The population density is 12.66 inhabitants per km². Western part of the municipality belongs to the Southwestern Archipelago National Park and forms the eastern part of the park. The municipality is bilingual with 76 percent of the population being Swedish speakers and 21 percent being Finnish speakers.