The Samhitas, which are the oldest layer of text in the Vedas, enumerate 33 deities classified as devas, either 11 each for the three worlds, or as 12 Adityas, 11 Rudras, 8 Vasus, and 2 Ashvins in the Brahmanas.
The Samhitas, the oldest texts of the Vedas, list 33 deities classified as devas, either 11 for each of the three worlds or 12 Adityas, 11 Rudras, 8 Vasus, and 2 Ashvins in the Brahmanas.