A district and a town in Kosala. Once when the Buddha was staying at the Deer Park in Kaṇṇakatthala in the neighbourhood of the city, Pasenadi, who happened to be at Ujuññā on business, visited the Buddha. On this occasion was preached the Kaṇṇakatthala Sutta. MN.ii.125ff.
It was here too that Nigaṇṭha Kassapa came to see the Buddha. This visit is recorded in the Kassapa Sīhanāda Sutta. DN.i.161ff.