Prasasti Wwahan ditemukan di Desa Bandaralim, Kelurahan Demangan, Kecamatan Tanjung Anom, Kabupaten Nganjuk Propinsi Jawa Timur. Berdasarkan angka tahun 907 Śaka, prasasti ini dibuat atas perintah Dharmmawangśa Tguh, ketika menjadi raja di Matarām. Tiga tahapan metode epigrafi dipergunakan untuk mengungkap data sejarah dalam prasasti ini, yaitu tahap pengumpulan, pengolahan, serta penafsiran data. Prasasti ini berisikan tentang penetapan sima yang diberikan kepada warga di Wwahan pada masa pemerintahan Dharmmawangśa Tguh.

---

Wwahan Inscription was found in Bandaralim village, Demangan sub district, Tanjung Anom district, Nganjuk regency, East Java Province. Based on the number of the year 907 Śaka, this inscription was made by order of Dharmmawangśa Tguh, when he was a king in Matarām. This research used three step of epigraphically methodology, to reveal historical data in this inscription, such as collecting, processing, and interpretation data. This inscription content the history of sima determination by the people in Wwahan under the authority of Dharmmawangśa Tguh.