Jabłonowo-Zamek is a village in the administrative district of Gmina Jabłonowo Pomorskie, within Brodnica County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies 2 kilometres (1 mi) southwest of Jabłonowo Pomorskie, 24 km (15 mi) northwest of Brodnica, and 53 km (33 mi) northeast of Toruń. It is located in the Chełmno Land in the historic region of Pomerania.