are found: in Western Europe between Latin Europe, where the legacy of the Roman Empire remained dominant, and Germanic Europe, where it was significantly syncretized with Germanic culture in the Balkans, the Jireček Line, dividing the area of dominant Latin (Western Roman Empire) from that of dominant Greek (Eastern Roman Empire) influence. Macro-cultures on a continental scale are also referred to as "worlds", "spheres", or "civilizations", such as the Muslim world. In a modern context, a cultural boundary can also be a division between subcultures or classes within a given society, such as blue collar vs. white collar etc. Examples East–West dichotomy: the Western civilization and Western world contrasting with the Orient and Eastern world. Global North and Global South: the North–South divide is broadly considered a socio-economic and political divide. Geographic Americas [see also Americas (terminology)] Caribbean Central America Mesoamerica North America Northern America South America British Isles Eastern world Far East Middle East Near East Indian subcontinent Maghreb Southeast Asia Mainland Southeast Asia and Indochina Maritime Southeast Asia Turkestan Based on language or language families: Arab world, Arab-speaking world, and Arab diaspora Celts and Celtic Europe English-speaking world (Anglophone) Baltic Finns Francophonie (see also Françafrique) German language in Europe Germanic-speaking Europe Hindi Belt (Hindi-Urdu Region) Hispanidad Hispanophone Indigenous peoples of the Americas Indigenous peoples of South America Indigenous peoples of the Pacific Northwest Coast Native Americans in the United States Latin America French America Hispanic America Ibero-America Lusophone Mainland Southeast Asia linguistic area Latin Europe Sinophone Slavic Europe Russian world Based on cultures Anglosphere Arab world Cévennes East Asian cultural sphere (Sinosphere) Greater China Greater India and Indosphere Greater Iran (Greater Persia) Greater Middle East Lusophone Nordic countries (speaking North Germanic languages) Russian world Based on religious beliefs Buddhism by country Christendom (Christian world) Christianity by country Hinduism by country Islamic state Islamic republic Islamic monarchy Muslim world Islam by country Music A music area is a cultural area defined according to musical activity. It may or may not conflict with the cultural areas assigned to a given region. The world may be divided into three large music areas, each containing a "cultivated" or classical musics "that are obviously its most complex musical forms", with, nearby, folk styles which interact with the cultivated, and, on the perimeter, primitive styles: Europe and Sub-Saharan Africa based on shared isometric materials, diatonic scales, and polyphony based on parallel thirds, fourths, and