A city in the Aṅguttarāpa country, probably its capital. The Buddha once visited the city with 1,250 monks and the whole company was entertained by the Jaṭila Keṇiya. Vin.i.245ff. From Āpaṇa the Buddha went on to Kusinārā. Vin.i.247 In the Saṃyutta Nikāya, SN.v.225 Āpaṇa is spoken of as a township of the Aṅgas and the Buddha is mentioned as having stayed there with Sāriputta.

Several suttas were preached at Āpaṇa, among them the Potaliya Sutta, MN.i.359ff. Laṭukikopama Sutta (to Udāyi), MN.i.447ff. Sela Sutta, MN.ii.146ff. Snp.p.102ff. and the Saddhā or Āpaṇa Sutta. SN.225–227

On the occasion of the Buddha’s visit to Āpaṇa, during which he converted Sela and Keṇiya, he seems to have stayed at Āpaṇa for over a week and ordained three hundred monks in the company of Sela. Snp.p.112