(pl., koruny) National currency consisting of 100 halers (halere--Cz.; haliere--Sl.). Symbol is Kcs. In 1987 the official, or commercial, exchange rate was Kcs5.4 per US$1; the tourist, or noncommercial, rate was Kcs10.5 per US$1. The value of US$1 on the black market was at least twice the tourist rate of exchange. Kraj (pl., kraje) Primary administrative region into which both the Czech and the Slovak socialist republics are divided.