These are divided into forty counties in addition to the capital city, Bucharest . The Danube is Romania's longest and most important river.
Earthquakes occur in the southern parts of the country.
Trees include pine, spruce, beeches, birch, oaks and fruit trees. Among Romania's wildlife are squirrels, badgers, deer, chamois, wild boar, wolf, lynx and bears. Like all industrial countries Romania's environment suffers from air and water pollution and soil erosion. These include six Iron-Age Dacian Fortresses from the first centuries BC and AD, a number of churches such as the unique Churches of Moldavia with sixteenth century frescoes on their exterior walls, fortified churches in Transylvania and the historic centre of Sighisoara , a fortified medieval town, founded by German craftsmen and merchants. The majority of the people are Romanian with just over seven percent Hungarian and minorities of Roma, Germans and Ukrainians.