Jabłonka is a village in the administrative district of Gmina Śliwice, within Tuchola County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 350 metres (1,148 ft) north-east of Brzozowe Błota, 5.6 kilometres (3 mi) south-west of Śliwice, 21.7 km (13 mi) north-east of Tuchola, and 68.2 km (42 mi) north of Bydgoszcz.