acid rain adriatic sea aegean sea african plate air pollution arable land asia asphalt autonomous area balkans bauxite belgrade biodiversity bosnia and herzegovina bratislava budapest calafat calcium clay coal continental climate croatia danube dependent territory desertification dinara donaueschingen drava drobeta-turnu severin earthquake esztergom europe extreme points of croatia geography of albania geography of andorra geography of armenia geography of austria geography of azerbaijan geography of belarus geography of belgium geography of bosnia and herzegovina geography of bulgaria geography of cyprus geography of denmark geography of england geography of estonia geography of europe geography of finland geography of france geography of germany geography of greece geography of hungary geography of iceland geography of italy geography of jersey geography of kazakhstan geography of kosovo geography of latvia geography of liechtenstein geography of lithuania geography of luxembourg geography of malta geography of moldova geography of monaco geography of montenegro geography of norway geography of poland geography of portugal geography of romania geography of russia geography of san marino geography of scotland geography of serbia geography of slovakia geography of slovenia geography of spain geography of svalbard geography of sweden geography of switzerland geography of turkey geography of ukraine geography of vojvodina geography of wales geography of the czech republic geography of the faroe islands geography of the isle of man geography of the netherlands geography of the republic of ireland geography of the republic of macedonia geography of the united kingdom giurgiu great morava hron hungary hydropower iller ingolstadt inn river iron isar iskar jiu river kyoto protocol land mine lech river linz list of cities in croatia list of crossings of the danube river list of islands of croatia list of rivers of croatia list of tributaries of the danube list of unrecognized countries mediterranean sea mediterranean climate mica montenegro morava river nova scotia novi sad olt river osam passau petroleum regen river regensburg rousse salt sava river serbia silistra siret river slovenia smederevo sulfur sulina svishtov tisza tulcea ulm united nations framework convention on climate change vedea river vidin vienna vukovar west virginia yantra river