Główka [ˈɡwufka] is a village in the administrative district of Gmina Śliwice, within Tuchola County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 6 kilometres (4 mi) west of Śliwice, 20 km (12 mi) north-east of Tuchola, and 66 km (41 mi) north of Bydgoszcz.