Mešno is a municipality and village in Rokycany District in the Plzeň Region of the Czech Republic. It has about 90 inhabitants. Mešno lie…Mešno is a municipality and village in Rokycany District in the Plzeň Region of the Czech Republic. It has about 90 inhabitants. Mešno lies approximately 12 kilometres south of Rokycany, 21 km south-east of Plzeň, and 75 km south-west of Prague.