Proszówka is a village in the administrative district of Gmina Gryfów Śląski, within Lwówek Śląski County, Lower Silesian Voivodeship, in south-western Poland. It lies approximately 3 km south of Gryfów Śląski, 17 km south-west of Lwówek Śląski, and 114 km west of the regional capital Wrocław. The most prominent landmark of Proszówka is the Gryf Castle, a medieval stronghold of local Polish dukes of the Piast dynasty. Other landmarks are the 17th-century Baroque chapel of St. Leopold and the 18th-century palace complex.