Myrsina (, before 1927: ÃÂúÿüÃÂûìÃÂù â Gkomplari) is a village and a community of the Grevena municipality. Before the 2011 local government reform it was a part of the municipality of Grevena, of which it was a municipal district. The 2021 census recorded 294 residents in the community. The community of Myrsina covers an area of 25.494 km<sup>2</sup>.
The community of Myrsina consists of two separate settlements:
Gkomplari was populated by Greek speaking Muslim Vallahades. The 1920 Greek census recorded 385 people in the village, and 385 inhabitants (78 families) were Muslim in 1923. Following the GreekâÂÂTurkish population exchange, Greek refugee families in Gkomplari were from East Thrace (1), Asia Minor (28) and Pontus (66) in 1926. The 1928 Greek census recorded 360 village inhabitants. In 1928, the refugee families numbered 95 (354 people).