From the English Wikipedia page [1]

Rundēni parish (Latvian: Rundēnu pagasts) is located in a southwest of Ludza Municipality, formerly Ludza District in Latvia, borders on the Pildas, Nirza, Lauderu and Istras Parishes (all formerly in the Ludza District), the Škaune and Ezernieku parishes (both formerly Krāslava District and now Dagda Municipality) and the Kaunatas Parish (Rēzekne Municipality, formely the Rēzekne District). Distances: from parish centre - village of Rundēni up to District centre - Ludza is 33 km, up to the Capital of Latvia - Riga - 315 km.

More information on the Latvian Wikipedia page [2]