claim: Coins of the Swiss franc are official coins.
evidence: Jarov is a village and municipality -LRB- obec -RRB- in Plzen-North District in the Plzen Region of the Czech Republic .. Region. Regions of the Czech Republic. Plzen. Plzen. District. Districts of the Czech Republic. Plzen-North. Plzen-North District. obec. obec. Plzen-North District. Plzen-North District. Plzen Region. Plzen Region. The municipality covers an area of 10.56 km2 , and has a population of 142 -LRB- as at 3 July 2006 -RRB- .. Jarov lies approximately 16 km north-east of Plzen and 72 km west of Prague .. Plzen. Plzen. Prague. Prague