Geography of Belgium have repercussions for neighboring countries; uncertainties regarding federal and regional responsibilities (now resolved) have slowed progress in tackling environmental challenges. The main cities in Belgium in terms of population are Brussels, Antwerp, Ghent, Charleroi and Liège. Other notable cities include Bruges, Namur, Leuven, Mons and Mechelen. Geography of Belgium Belgium is a federal state located in Western Europe, bordering the North Sea. Belgium shares borders with France (556 km), Germany (133 km), Luxembourg (130 km) and the Netherlands (478 km). Belgium comprises the regions of Flanders, Wallonia and Brussels. Total renewable water resources: 18.3 cu km (2011) Freshwater withdrawal (domestic/industrial/agricultural):
Second city of the United Kingdom claims have been made on behalf of Cardiff and Belfast due to their status as the respective capital cities of Wales and Northern Ireland. Furthermore, a number of opinion polls have been conducted since 2000 and complicate the issue further, with public response showing a consistent view amongst the British population that Manchester is the second city. Birmingham is technically the United Kingdom's most populous city; the City of London has fewer than 10,000 inhabitants, and Greater London is not recognized as a city. Since the formation of the United Kingdom, several places have been described as the "second city".