Analysis of samples from 80 cities in 25 European countries found that the five cities with the highest concentration of meth were all in the Czech Republic. First place was taken by Ostrava, in Moravia-Silesia, with a sample rate of 684 milligrams per 1,000 population per day. Second was Moravian capital Brno, with 546 mg, followed by České Budějovice with 507 mg, Karlovy Vary with 339 mg, and Prague, with 329 mg. These five were the only Czech cities included in the analysis.