Mirsk is a town in Lwówek Śląski County, Lower Silesian Voivodeship, in south-western Poland. It is the seat of the administrative district called Gmina Mirsk, close to the Czech border.
The town is situated on the upper Kwisa river north of the Jizera Mountains, approximately 22 kilometres south-west of Lwówek Śląski, and 118 kilometres west of the regional capital Wrocław, within the historic region of Lower Silesia. As of 2019, the town has a population of 3,886.
Wikipedia https://en.wikipedia.org/wiki/Mirsk
Coordinates 50°58'19.861" N 15°23'8.853" E