Madrid economic, cultural, industrial, educational, and technological centre on the European continent. Madrid lies on the southern Meseta Central, 60 km south of the Guadarrama mountain range and straddling the Jarama and Manzanares river sub-drainage basins, in the wider Tagus River catchment area. There is a considerable difference in altitude within city limits ranging from in the Manzanares riverbanks in the southeast of the municipality to above sea level in the highest part of the Fuencarral-El Pardo district. Over a quarter of the Madrid municipal area is covered by the largely forested protected area of El Pardo. Madrid has an inland
Madrid system 1 April 1996. The Madrid Agreement and Madrid Protocol were adopted at diplomatic conferences held in Madrid, Spain. The Madrid Agreement was originally intended to provide for an international registration system, but did not achieve this for two significant reasons: Some of the large trading nations like the United States, Japan, and Canada, which have a large number of filings at the national level, did not join the Madrid Agreement due to another perceived flaw in the system: if the home registration upon which an international registration was based came under 'central attack', the international registration would be cancelled or