Luxembourg farms. Luxembourg has especially close trade and financial ties to Belgium and the Netherlands (see Benelux), and as a member of the EU it enjoys the advantages of the open European market. With $171 billion in May 2015, the country ranks eleventh in the world in holdings of U.S. Treasury securities. However, securities owned by non-Luxembourg residents, but held in custodial accounts in Luxembourg, are also included in this figure. Luxembourg has efficient road, rail and air transport facilities and services. The road network has been significantly modernised in recent years with of motorways connecting the capital to adjacent countries.
Belgium of the European Union and the extraordinary and committee sessions of the European Parliament. Belgium shares borders with France (), Germany (), Luxembourg () and the Netherlands (). Its total surface, including water area, is 30,528 square kilometres from which land area alone 30,278 km. It lies between latitudes 49°30 and 51°30 N, and longitudes 2°33 and 6°24 E. Belgium has three main geographical regions; the coastal plain in the northwest and the central plateau both belong to the Anglo-Belgian Basin, and the Ardennes uplands in the southeast to the Hercynian orogenic belt. The Paris Basin reaches a small fourth