Gruta is a village in Grudziądz County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It is the seat of the gmina (administrative district) called Gmina Gruta. It lies approximately 13 kilometres (8 mi) east of Grudziądz and 52 km (32 mi) north-east of Toruń.
The village has a population of 1,600.